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MXPA97006172A - Hydroxyl crystal waxes in the form of oil stabilizers in water for liquid composition for cleaning the p - Google Patents

Hydroxyl crystal waxes in the form of oil stabilizers in water for liquid composition for cleaning the p

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Publication number
MXPA97006172A
MXPA97006172A MXPA/A/1997/006172A MX9706172A MXPA97006172A MX PA97006172 A MXPA97006172 A MX PA97006172A MX 9706172 A MX9706172 A MX 9706172A MX PA97006172 A MXPA97006172 A MX PA97006172A
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MX
Mexico
Prior art keywords
parts
composition
skin
liquid
foam
Prior art date
Application number
MXPA/A/1997/006172A
Other languages
Spanish (es)
Other versions
MX9706172A (en
Inventor
Charles Dunbar James
Wayne Ellis Eccard
Leslie Kacher Mark
Ray Tollens Fernando
Wayne Glenn Robert Jr
Edward Bolich Raymond Jr
Raymond Schmidt Robert
John Weisgerber David
Original Assignee
The Procter & Gamble Company
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from PCT/US1996/001081 external-priority patent/WO1996025144A1/en
Application filed by The Procter & Gamble Company filed Critical The Procter & Gamble Company
Publication of MX9706172A publication Critical patent/MX9706172A/en
Publication of MXPA97006172A publication Critical patent/MXPA97006172A/en

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Abstract

The present invention relates to a liquid foaming skin cleanser composition stable under stress conditions, comprising in parts by weight of the liquid composition, (a) from about 0.5 part to about 10 parts of a crystalline stabilizer, containing of hydroxyl, for example, hydrohydrosterin, (b) from about 1 part to about 30 parts of lipid-based skin wetting agent, (c) from about 5 parts to about 30 parts of a surfactant having an equilibrium value of CMC surface tension combined, from 15 to 50; (d) water, wherein said liquid foaming skin cleaning composition, stable under stress conditions, has a Lipid Deposition Value (LDV) of from about 5 to about 100, and wherein said composition is stable for at least two weeks at a temperature of 100

Description

HYDROXYL CRYSTAL WAXES IN THE FORM OF OIL WATER STABILIZERS FOR COMPOSITION LIQUIDLY FOR CLEANSING THE SKIN BACKGROUND OF THE INVENTION Technical Field of the Invention The present invention relates to compositions for cleaning and moisturizing the skin. Background of the Invention Moisturizers are usually applied directly to the skin, in the form of non-rinsing products. Personal cleaning products are usually applied with water, in the form of a foam or soap and rinsed with rinsed water. The ideal rinse of personal cleansers should cleanse the skin abundantly, causing little or no irritation, without removing the natural fat and / or drying the skin, and without leaving the skin feeling like a retreat after use. frequent way Most of the products for cleaning personal foam generator, soap bars, liquid form and synthetic detergent in liquid form, have these characteristics. Some commercial cleaners for personal cleaning in liquid form, are indicated to "moisturize" the skin. However, most of these common products for personal cleaning in liquid form do not provide adequate wetting. Therefore, when cleaning is finished, users usually have to moisten their skin with a separate product, which is not rinsed.
It would be highly desirable to improve the ability of commercial liquid cleansers to moisturize the skin, in a composition for personal cleansing in liquid form. If this were achieved, users could be provided with a simple product, the advantage of obtaining the benefits of moisturizing and cleansing the skin. The dual cleansing and wetting compositions based on lipids in liquid form are very difficult to formulate and to process. One reason is the cleaning ingredients, which in general, tend to be incompatible with the lipid-based moisturizing ingredients. Another problem is to process them on a commercial scale. Another additional problem is that the liquid contains lipids, to deposit them on the skin of the user. The amount of lipid-based humectant found in the liquid, which can be deposited on the skin of the user, can be very low due to the loss of lipids at the time of washing and rinsing. Conversely, if it is deposited directly on the skin, it can leave a very sticky feeling. Still another problem, is to formulate a dual composition in liquid form, which has a good generation of foam. Another problem is to formulate a dual composition in liquid form having storage stability. And another problem is to formulate a dual composition in liquid form that is stable under stress conditions. It is essential that the deposit of the lipid-based humectant that is in a dual composition in liquid foam generating form is real, so that the lipid benefit is effective. He liquid of the prior art not known in the market, which purports to be a cleansing and moisturizing liquid based on lipids, deposits in the skin that was washed a maximum of 3 micrograms per square centimeter of humectant based on lipids. 5 United States Patent No. 3, 829,563 issued to Barry and Associates, issued August 13, 1974, describes an emollient cleansing liquid and a composition containing from 10 to 70 parts by weight of petrolatum with more than 98 parts, preferably from 95 to 98 parts, having a diameter size of the particle less than 5 microns. I O U.S. Patent No. 5,308,526 issued to Dias and Associates, issued March 3, 1994, which is incorporated herein by reference, discloses skin compositions in liquid form with more than 5 parts of petrolatum wherein from 20 to 80 parts of said petrolatum particles, have a particle size of from 10 to 120 microns. U.S. Patent No. 5,312,559 issued to Kacher and Associates, issued May 1, 1994, which is incorporated herein by reference, discloses semi-solid compositions of from 60,000 to 400,000 cps, or contain from 0.5 parts. up to 15 parts of petrolatum having a particle size distribution, in which from 20% to 80% of the particles are from 10 to 120 microns. The dual compositions for cleaning the skin in liquid form that are stable in storage, as defined above in the present description, are stable for at least two weeks at room temperature. However, I do not know requires that said compositions be stable under stress conditions, as defined below in the present disclosure. Accordingly, it is an object of the present invention to provide a dual composition for cleaning the skin in liquid, effective but gentle form, which is stable under stress conditions. It is an object of the present invention to provide a dual skin cleansing composition, effective but gentle, which deposits in actual form on the skin, sufficient amount of lipids to provide superior skin moisturization, and perceptible benefits, while maintaining its foam generation and cleaning properties.
SUMMARY OF THE INVENTION The present invention relates to a composition in liquid form for cleansing the skin, stable under tension conditions, which comprises parts by weight of the composition in liquid form, of the following ingredients: (a) from about 0.5 parts to 10 parts of a hydroxyl-containing crystalline stabilizer, selected from the group consisting of: (¡) CH - OR-i I CH2 - OR I where O R-1 is -C-R 4 (COH) xR 5 (COH) and R 6; R2 is Ri or H R3 is R 1 or H R4 is Alkyl of Co-20 R5 is Alkyl of CQ-20 RQ is Alkyl of Co-20 R4 + R5 + R6 = C? o-22 and where 1 < x + y < 4; (ü) O II R7-C-OM wherein R7 is R4 (COH) xR5 (COH) and R6 M is Na +, K + or Mg ++, or H; and (iii) mixtures thereof; (b) from about 1 part to about 30 parts of lipid-based skin moisturizing agent; wherein said lipids have a cut-off index (n), at a temperature of 35 ° C, within the range of from 0.1 to 0.9, and a consistency k at a temperature of 35 ° C, within a range of from 10 up to ,000 poises; (c) from about 5 parts to about 30 parts of surfactant ?, wherein said surfactant has a combined value of equilibrium tension of the CMC surface of from 15 to 50; Y (d) water; wherein said composition for cleaning the skin in liquid form, generating stable foam, under tension conditions, has a Lipid Deposition Value (LDV), of from about 5 to about 1000, and wherein said composition is stable for at least 2 weeks at a temperature of 100 ° F (38 ° C).
DETAILED DESCRIPTION OF THE INVENTION The present invention can provide a dual composition for cleaning and wetting based on lipids in liquid form: 1) which produces a generation of abundant, stable and high-quality foam, 2) which is a cleaner for the effective skin, 3) which is very soft for the ocular mucosa and the skin, 4) which provides in real form to the skin of the user at the time of washing, an effective amount of a lipid-based moisturizing agent; 5) which does not leave a sticky feeling after being used, and 6) which is stable under stress conditions. The liquid of the present invention is a composition for cleaning foam generating in stable liquid form under stress conditions, comprising by weight, parts of the following composition in liquid form: (a) from about 0.5 parts to 10 parts, of a crystalline stabilizer with hydroxyl content, selected from the group consisting of: (i) CH - OR -i I CH2 - 0R CH - OR3 where OR R 1 is -C-R 4 (COH) xR 5 (COH) and R 6; R2 is R- | or H R3 is R - | or H R4 is Alkyl of Co-20 R5 is Alkyl of Crj-20 R5 is Alkyl of CQ. Or R4 + R5 + R6 = C 1 0-22 and where 1 3? x + y 3? 4; (i i) O II R7-C-OM wherein R7 is R4 (COH) xR5 (COH) and R6 M is Na +, K + or Mg ++, or H; and (iii) mixtures thereof; (b) from about 1 part to about 30 parts lipid-based skin moisturizing agent; wherein said lipids have a cutoff index (n), at a temperature of 35 ° C, within the range of from 0.1 to 0.9, and a k consistency at a temperature of 35 ° C, within a range of from 10 to 5,000 poises; (c) from about 5 parts to about 30 parts of surfactant, wherein said surfactant has a combined value of the surface tension balance of from 15 to 50; and (d) water; wherein said composition for cleaning the skin in liquid form generating stable foam under tension conditions, has a Lipid Deposition Value (LDV), of from about 5 to about 1000, and wherein said composition is stable at less for 2 weeks at a temperature of 100 ° F (38 ° C).
Glossary of Terms The term "Cleaner in stable liquid form in storage" as used in the present description, is defined as a composition in liquid form for cleaning the skin generating clear foam, which under environmental conditions does not change in at least two weeks, preferably in at least six months, and more preferably never. The term "Cleaner in stable liquid form under tension conditions" as used in the present description, is defined as a composition in liquid form for cleansing the skin with generation of clear esmupuma, which lowers temperature conditions of 100. ° F (38 ° C), does not change in at least two weeks, preferably in at least six months, and more preferably never. The term "Pseudoplastic", as used in the present description, refers to liquids which show a marked decrease in viscosity, in the form of increases in the cutting index. We also refer to this behavior as cutting thinning, which means that the strength of the material is reduced to reduce fluidity as the energy required to maintain fluidity in high cut conditions is reduced. The term "thixotropy" as used in the present description, is defined as the ability of the system to exhibit inferior vicosities, as a cutting function, and its ability to have its structure reformed for a period of time after the cut It is removed. The term "Crystalline Waxes" as used in the present description, refers to water-insoluble solid particles of a wax or of a substance in the form of wax, dispersed in the cleaner in liquid form. The crystalline waxes are formed by means of the solubilization in the continuous phase of the composition in liquid form (above the point of melting of the wax), followed by rapid cooling. The term "Water-dispersible gel-forming polymer" as used in the present description means that the polymer is dispersible in water, and forms a gel in the water of the cleaner in liquid form, at a temperature of from 5 to 40 ° C.
The Vaughan Solubility Parameter (VSP) is a calculated parameter, which is used to define the solubility of a lipid. The Vaughan parameters are normally within a range of from 5 to 25. The Lipid Deposition Value (LDV) is a measure of the amount of lipids that are present in the compositions of the present description, which remains deposited on the skin, the reading corresponds to the measured amount, using a Sebumeter (usually the average of three readings), as defined in the Lipid Deposit Protocol of the present disclosure. The "Surface Tension Equilibrium" is a measure of the surface tension of a surfactant, in the way it is measured in the critical concentration of micelles at a temperature of 25 ° C.; the units are dynes / cm. The "consistency", k, is a measure of the viscosity, which is used in combination with the cutting index, to define the viscosity in relation to materials whose viscosity is a cutting function. The measurements are made at a temperature of 35 ° C, and the units are poises (equal to 100 cps). The "cut index", n, is a measure of the viscosity, which is used in combination with the Consistency, to define the viscosity in relation to the materials whose viscosity is a cutting function. The measurements are made at a temperature of 35 ° C, and the units are dimensionless.
All parts, percentages and proportions used in the present description are by weight basis, and all measurements are at a temperature of 25 ° C, unless otherwise indicated. The dual compositions for cleaning and wetting based on lipids in liquid form of the present invention are oil-in-water emulsions. The aqueous and lipid phases of these emulsions, as well as the emulsions by themselves and the preparation thereof, are described in detail below.
A. The Aqueous Phase The aqueous phase of the oil-in-water emulsions of the present invention comprises a crystalline stabilizer with hydroxyl content, a surfactant, and water together with various optional ingredients. Each of the components of the aqueous phase of the emulsions of the present invention are described in detail below. 1. The Crystal Stabilizer with Hydroxyl Content. In the aqueous phase of the emulsions of the present invention, a crystalline stabilizer with a hydroxyl content is included. This stabilizer may be a fatty acid with a hydroxyl content, a fatty ester or a fatty soap substance in the form of water-insoluble wax or the like. The stabilizer is used to form a stabilizing crystalline network in the emulsion, which prevents the melting of the lipid droplets and the division of the product phase. The network, exhibits a recovery of the viscosity after cutting, dependent on time (for example, thixotropy). The stabilizers that are used in the present description are not surfactants. The stabilizers provide an improved stability in storage and under tension conditions, however, they allow the oil-in-water emulsion to separate from the generation of foam, and in this way, an increase in the deposition of lipids is produced. on the skin. This is particularly true, when the oil-in-water emulsions for cleaning of the present disclosure are used in conjunction with a polymer diamond mesh sponge implement, such as the one described by Campagnoli; U.S. Patent No. 5, 144,744, issued September 8, 1992, which is incorporated herein by reference. The hydroxyl-containing crystalline stabilizer comprises from about 0.5 parts to 10 parts, preferably from 0.75 parts to 8 parts, more preferably from 1.25 parts to about 5 parts of the emulsion compositions for cleaning in liquid form, of the present description . Said stabilizer is insoluble in water from environmental conditions to conditions close to environmental conditions. The stabilizer is selected from the group consisting of: (i) CH - ORi I CH2 - 0R2 I CH - OR3 where Or II R1 is -C-R (COH) xR5 (COH) and R6; R2 is R- | or H R3 is R- | or H R4 is Alkyl of CQ. Or R5 is Alkyl of Co- or Rg is Alkyl of Co-20 R4 + R5 + Rd = C-? o-22 and where 1 3? x + and 3A 4; (ü) OR R7-C-OM wherein R7 is R (COH) xR5 (COH) and R6 M is Na +, K + or Mg ++, or H; and (iii) mixtures thereof; Some preferred hydroxyl-containing stabilizers include 12-hydroxystearic acid, 9,10-dihydroxystearic acid, tri-9, 10-dihydroxystearin and tri-12-hydroxystearin (hydrogenated castor oil, is mostly tri-12-hydroxystearin). ). Tri-12-hydroxystearin is most preferred for use in the emulsion compositions of the present disclosure. 2. The Foaming Generator Surfactant The aqueous phase of the emulsion compositions for cleaning in liquid form of the present invention also comprise a foam generating surfactant selected from the group consisting of anionic surfactants; nonionic surfactants, cationic surfactants, amphoteric surfactants, and mixtures thereof. The foam generating surfactant is defined in the present description as a surfactant or surfactant mixture thereof, which when combined have an equilibrium of the surface tension of between 15 and 50 dynes / cm, more preferably between 25 and 40 dynes / cm, as measured in the CMC (critical concentration of micelles) at a temperature of 25C'C. Some mixed surfactants may have a surface tension lower than that of their individual components. The emulsion compositions for personal cleansing and lipid-based wetting in liquid form of the present disclosure, comprise from about 5 parts to about 30 parts, preferably from about 5 parts to about 25 parts, and more preferably from about 10 parts to approximately 25 parts of a foam generating surfactant. Anionic surfactants useful for the present disclosure include: acyl isethionates, acyl sarcosinates, alkyl glyceryl ether sulfonates, alkyl sulfates, alkyl sulfates, acyl lactylate, methylacyl taurates, paraffin sulfonates, linear alkyl benzene sulfonates, N-glutamates. -acyl, alkyl sulfosuccinates, alpha sulfo fatty acid esters, alkyl ether carboxylates, alkyl phosphate esters, ethoxylated alkyl phosphate esters, alpha olefin sulfates, alkyl ether sulfates (with from 1 to 12 ethoxy groups) and mixtures thereof, wherein said surfactants contain alkyl chains of from C8 to C22, and wherein the counter ion is selected from the group consisting of: Na, K, NH4, N (CH CH OH) 3. The anionic surfactant is most preferred when selected from the group consisting of acyl isethionate, acyl sarcosinates, acyl lactylates, alkyl sulfosuccinates, alkyl glyceryl ether sulfonates, methylacyl taurates, alkyl ether sulfates, alkyl sulfates, phosphate esters of alkyl and mixtures thereof, wherein the content of said surfactants has alkyl chains of from C8 to C14, and are present at a level of from about 8 to about 20 parts. Synthetic amphoteric surfactants can not serve as the sole surfactant in this product, but are preferred as a cosurfactant at a lower level of from about 1 part to about 10 parts by weight, and the most preferred types are selected from mono- and di- alkyl-amide acetates, alkyl betaines, alkyl dimethyl amine oxides, alkyl sultaines, alkyl amidopropyl betaines, alkyl amidopropyl hydroxysultaines, and mixtures thereof, wherein said surfactants contain alkyl chains from C8 to C22. The nonionic synthetic surfactant can not serve as the sole surfactant in this product, but it can be used as a cosurfactant at a lower level of from about 1 part to about 15 parts by weight. The most preferred types are selected from the group consisting of: alkyl glucose amides, alkyl glucose esters, polyoxyethylene amides, fatty alkane amides, alkyl amine oxides, alkyl polyglycosides, polyoxy ethylene alkyl phenols, polyoxyethylene fatty acid esters, EO / PO block copolymers such as, polyoxamines and poloxamers, sorbitan esters and alcohol esters, and mixtures thereof. In a preferred embodiment of the present invention, the compositions of the liquid form emulsions of the present disclosure contain from 0.5 parts to 8 parts of C8-C14 soap; wherein the soap has a counter ion selected from the group consisting of K and N (CH CH OH) 3, and mixtures thereof, in addition to the synthetic foam-generating surfactant. The cationic synthetic surfactant can not serve as the sole surfactant in this product, but are preferred as a cosurfactant at a lower level of from about 0.5 parts to about 6 parts, by weight. The most preferred types of cationic surfactants are selected from the group consisting of: triammonium alkyl and methanesulfate chloride, and dialkyldiammonium chloride and methyl sulfate, and alkenium alkyl and methyl sulfate chloride and mixtures thereof. These surfactants contain carbon atoms from C12 to C24 per alkyl chain. The most preferred cationic surfactant is selected from the group consisting of stearalkonium chloride, stearyltrimonium chloride, Di-stearyl-diammonium chloride, and mixtures thereof. Cationic surfactants can also act as an auxiliary in the deposit of lipids. 3. Water The wetting and cleansing emulsion compositions in liquid form of the present invention comprise water in the form of an essential component. Water is normally present, at a level of from about 30 parts to about 80 parts, preferably from about 40 parts to about 75 parts, and more preferably from about 40 parts to about 65 parts of emulsions for cleaning in liquid form. the present invention. 4. OPTIONAL INGREDIENTS The water phase of the oil-in-water emulsions of the present invention may also contain a number of optional ingredients in addition to the hydroxyl-containing crystalline stabilizer, the surfactant and water. For example, the emulsions for cleaning in liquid form of the present invention may optionally include water-dispersible gel-forming polymers in the aqueous phase of the emulsion. This polymer is preferably an anionic, nonionic, cationic or a hydrophobically modified polymer surfactant, selected from the group consisting of 'cationic polysaccharides of the cationic guar gum surfactant class, with molecular weights of from 1 000 to 3,000,000 anionic homopolymers. , cationic and non-ionic, acrylic and / or methacrylic acid derivatives, anionic, cationic and non-ionic cellulose resins; cationic copolymers of dimethyldialkyl ammonium chloride and acrylic acid; chloride cationic homopolymers dimethyldialkylammonium, cationic polyalkylene and polyethylene glycol of ethoxypolyalkylene imines of molecular weight from 100,000 to 4,000,000; and mixtures thereof. Preferably, the polymer is selected from the group consisting of Sodium Polyacrylate, Hydroxy Ethyl Cellulose, Cetyl Hydroxy Ethyl Cellulose, and Polyquaternium 10. The polymer is preferably included in the emulsions of the present invention, at a level of from about 0.1. parts to 1 part, more preferably from 0.1 parts to 0.5 parts. The polymers can improve the sensation of the lipids on the skin, in addition to providing the stabilization of the product. The improvement in the feeling in the skin, is a result of the decrease of the sticky and greasy sensation and of the improved softness. It is an especially preferred embodiment to use the mixture of polymers, some of which are preferred for the stabilization of the product, some are preferred to improve skin feel. Preferred polymers for improving skin feel are selected from the group consisting of: polyethylene glycol, hydroxypropyl guar, hydroxypropyltrimonium guar chloride, Polyquaternium, 3, 5, 6, 7, 10, 11 and 24, and mixtures of the same. Another highly preferred optional component, of the compositions of the present invention, are one or more humectants and solutions, A variety of humectants and solutions may be employed, and may be present at a level of from about 0.5% to 25%, more preferably from about 3.0% to about 20%. Moisturizers and solutions are organic, non-volatile materials that they have a solubility of at least 5 parts in 10 parts of water. A preferred water-soluble organic material is selected from the group consisting of a polyol of the structure: R1 - 0 (CH2-CR2HO) nH Wherein R 1 = H C 1 -C 4 alkyl; R2 = H, CH3 and n = 1-200; diols C2-C-alkane 10: guanadine; glycolic acid and glycolate salts (for example ammonium and quaternary alkyl ammonium); lactic acid and lactate salts (for example ammonium and quaternary alkyl ammonium); polyhydroxyl alcohols such as sorbitol, glycerol, hexanetriol, propylene glycol, hexylene glycol and the like; polyethylene glycol; sugars and starches; sugar and starch derivatives (eg, alkoxylated glucose); panthenol (including forms D-, L-, and D, L); pyrrolidone carboxylic acid; hyaluronic acid; monoethanolamine lactamide; monoethanolamine acetamide; urea; and ethanol amines of the general structure (HOCH2CH) xNHy, wherein x = 1 -3; y = 0-2 and x + y = 3, and mixtures thereof. The most preferred polyols are selected from the group consisting of glycerin, glycerol polyoxypropylene (1) and glycerol polyoxypropylene (3), sorbitol, butylene glycol, propylene glycol, sucrose, urea and triethane amine. Preferred water-soluble organic materials are selected from the group consisting of glycerin, glycerol polyoxypropylene (1) and glycerol polyoxypropylene (3), sorbitol, butylene glycol, propylene glycol, sucrose, and urea and triethanolamine. The use of oil thickener polymers, such as those mentioned in EP 0 547 897 A2 granted to Hewitt, published June 23, 1993, which is incorporated herein by reference, may also be included in the aqueous phase of the emulsions of the present invention. A variety of additional ingredients can be incorporated into the compositions of the present invention. These materials include, but are not limited to, liquid appearance aids, salts and their hydrates, and other "filler materials," and are listed in U.S. Patent No. 5,340,492 issued to Kacher and Associates, issued Aug. 23. of 1994, and in United States Patent No. 4,919,934 issued to Deckner and Associates, issued on April 24, 1990; which are incorporated in the present description as a reference. Other non-limiting examples of these additional ingredients include vitamins and derivatives thereof (e.g., ascorbic acid, vitamin E, tocopheryl acetate, and the like); Sunscreens; thickeners (for example, polyol alkoxy ester, available as Crothix in Croda and Associates, at levels above 2%, and xanthan gum at levels above about 2%); preservatives to maintain the antimicrobial integrity of the compositions; anti-acne medication (resorcinol, salicylic acid, and the like); antioxidants, skin soothing and healing agents, such as, aloe vera extract, alantoin and the like; chelators and kidnappers; and agents suitable for aesthetic purposes, such as fragrances, essential oils, skin-feeling agents, pigments, pearlizing agents (e.g., mica and titanium dioxide), additives to impart a slow rinsing sensation (e.g., silica) smoked), additives to improve the deposition in the skin (for example soybean oil maleated at levels higher than 3%), lacquers, colorants, and the like (for example, clove oil, menthol, camphor, eucalyptus oil, and eugenol).
B- The Phase of the Lipids The oil-in-water emulsions of the present invention also contain a lipid phase, which comprises from about 1 part to about 30 parts, preferably from about 5 parts to about 30 parts, more preferably from about 10 parts to about 25 parts of a lipid-based skin moisturizing agent. The lipid-based skin moisturizing agent provides the wearer's skin with a benefit of wetting through the deposits of lipids on the skin during use. In the present invention, the lipid-based skin moisturizing agent is defined with scrutiny. The type of lipids and their physical properties in the present invention contains the key to the effectiveness of all products in general, and is restricted to a hydrophobic material with the following rheological properties. Two types of rheological parameters are used to define the lipid used in the present description. The viscosity of the liquid is represented by the consistency (k), and the cut index (n), Although we do not want to compromise with any theory, the lipids that are without the rheological properties that are defined later in the present description, they are either too emulsified and for this reason they will not be deposited, or they are too "rigid" to adhere or deposit on the skin and provide a wetting benefit. In addition, the rheological properties of the lipid are also important for the user's perception. Some lipids, which are deposited on the skin, are considered too sticky and are not preferred by the user.
Table 1 of the Rheolopic Lipid Range k n poise M / sec) n-1 (dimensional) Most preferred 50-2,000 0.20-.5 More preferred 10-3,000 0.1 -0.5 Preferred 5-5,000 0.1 -0.9 As shown above in the Rheological Lipid Table, lipids suitable for use in the present disclosure have a cutoff index, n, of from about 0.1 to about 0.9, preferably from about 0.1 to about 0.5, more preferably from about 0.2. up to approximately 0.5, and a consistency, k, of: from 5 to 5,000 poises; preferably from 10 to 3,000 poise; more preferably from 50 to 2,000 poises at a temperature of 35 ° C. The rheology of some preferred lipids is established in the table below: Table 2 of the Lipid Rheological Lipid Consistency, k cutting index Poise units Water 0.01 1.0 Microcrystalline Wax (MC) ** 80% Pet / 20% Wax MC 3926-4822 * 0.31-33 * 91% Pet / 9% Wax MC 1983 0.15 Petrolatum 1080-1345 0.24 90% Pet / 10% Oil min 767-780 0.26 80% Pet / 20% Oil min 354-430 0.29-0.34 60% Pet / 40% Oil min 111-115 0.42 40% Pet / 60% Oil min i 4.8-5.3 0.87 Mineral Oil (min) 0.81-0.82 1.0 5% SE = / 95% Oil min 1580-1787 0.16 95.9% SBO / 4.1% Wax MC 780-890 0.13-0.16 80% Pet / 20% Polydecene 283-292 0.32-0.34 65% Pet / 35% Polydecene 115-120 0.4 20% Pet / 80% Polydecene 0.83 0.97-1.0 20% SE = / 80% Polydecene 1897-2035 0.19-0.22 80% Pet / 20% Polybutene Hydrogenated 140-585 * Measured with the same instrument, but with a 2 cm parallel plate geometry. ** Too rigid and solid, to obtain the readings. = SE solid is a solid of sucrose ester and in an example of a polyol fatty acid, SBO is soy bean oil, and Pet is petrolatum.
Note that mineral oil, microcrystalline wax and some other lipids, themselves have rheological properties that are unsuitable for use in the liquid form compositions of the present invention; but they can be mixed with other lipids to provide acceptable lipid mixtures. In some cases, the lipid in the present invention can also be defined in terms of its solubility parameter, as defined by Vaughan in Cosmetic and Toiletries. Vol. 103, pages 47 to 69, October 1988. A lipid has a Vaughan Solubility Parameter Value (VSP) of from 5 to 10, preferably from 5.5 to 9, more preferably to be used in the compositions in the form of liquid of the present invention is suitable where at least 70% of said lipid has a VSP of from 6.5 to 7.75. The Vaughan Solubility Parameters of some preferred lipid-based wetting agents are listed in the Table below.
Vauahan Solubility Parameter Table * Cyclomethicone 5.92 Squalene 6.03 Mineral Oil 7.09 Petrolatum 7.33 Isopropyl Palmitate, 7.78 Isopropyl Myristate 8.02 Castor Oil 8.90 t Cholesterol 9.55 * As reported in Solubilitv. Effects in Product. Packaae. Penetration and Preservation; CD Vaughan, Cosmetics and Toiletries, Vol. 103, October 1988. Notwithstanding the rheology and solubility requirements described above in the present disclosure, a wide variety of materials of the lipid type and mixtures of materials are suitable for use in compositions of the present invention, Preferably, the lipid is selected from the group consisting of hydrocarbon waxes and oils, silicones, fatty acid derivatives, cholesterol, cholesterol derivatives, di and tri-glycerides, vegetable oils, vegetable oil derivatives, non-digestible liquid oils such as those described in U.S. Patent No. 3,600,186 issued to Mattson, issued August 17, 1971, and No. 4,005, 195 and No. 4,005, 196 granted to Jandacek and Associates, both issued on January 25, 1977, which are incorporated herein by reference, or mixtures of non-digestible or digestible liquid oils with solid polyol polyesters, such as those described in U.S. Patent No. 4,797,300 issued to Jandacek, issued January 10, 1989; U.S. Patent Nos. 5,306,514, 5,306,516 and 5,306,515 issued to Letton, all issued on April 26, 1994, which are incorporated herein by reference, and acetoglyceride esters, alkyl esters, alkenyl esters, lanolin and its derivatives, milk tri-glycerides, wax esters, beeswax derivatives, sterols, phospholipids and mixtures thereof. Fatty acids, fatty acid soaps and water soluble polyols are excluded specifically from our definition of a lipid. Therefore, stearic acid, glycerin and propylene glycol, are excluded from our definition of a lipid.
Waxes and Hydrocarbon Oils: Some examples are petrolatum, mineral oil microcrystalline waxes, polyalkylene (for example, polydecene and hydrogenated and non-hydrogenated polybutene), paraffins, cerasin, ozokerite, polyethylene and peridrosqualene. Hydrogenated and non-hydrogenated high molecular weight petrolatum and polybutene mixtures, wherein the ratio of petrolatum to polybutene is within the range of from about 90: 10 to about 40:60, are also suitable for use as the wetting agent for the lipid-based skin in the compositions of. the present description.
Silicone Oils: Some examples are dimethicone copolyol, dimethyl polysiloxane, diethyl polysiloxane, high molecular weight dimethicone, mixed C 1 -C 30 alkyl polysiloxane, phenyl dimethicone, dimethiconol, and mixtures thereof. More preferred are the nonvolatile silicones selected from dimethicone, dimethiconol, mixed with C 1-30 alkyl polysyldxane, and mixtures thereof. Non-limiting examples of silicones that are useful for use in the present disclosure are described in US Pat. No. 5,01,1681 issued to Ciotti and Associates, issued April 30, 1991, which is incorporated herein by reference. to the present description for reference.
Di v tri-g icéridos: Some examples are castor oil, soy bean oil, soybean derivative oils such as, soybean oil mallowed, sunflower oil, cottonseed oil, corn oil, oil walnut, peanut oil, olive oil, vanilla leaf oil, almond oil, avocado oil, palm oil and sesame oil, vegetable oils and vegetable oil derivatives; coconut oil and coconut oil derivatives, cottonseed oil and cottonseed oil derivatives, jojoba oil, cocoa butter, and the like.
The acetoglyceride esters are used. and an example are the acetylated monoglycerides.
Lanolin and its derivatives are preferred, and some examples are lanolin, lanolin oil, lanolin wax, lanolin alcohols, lanolin fatty acids, isopropyl lanolate, acetylated lanolin, acetylated lanolin alcohols, lanolin alcohol linoleate, ricinoleate of lanolin alcohol. It is more preferred, when at least 7% of the lipid, is composed of lipids selected from the group consisting of: petrolatum, mixtures of high molecular weight polybutene petrolatum, mineral oil, non-digestible liquid oils (eg, sucrose octaesters) of cottonseed), or mixtures of digestible or non-digestible liquid oils, with solid polyol polyesters (for example, sucrose octaesters prepared from C22 fatty acids), wherein the proportion of the digestible or non-digestible liquid oil to the polyester of solid polyol found within the range of from about 96: 4 to about 80:20, hydrogenated and non-hydrogenated polybutene, micro-crystalline wax, polyalkylene, paraffin, wax, ozokerite, polyethylene, peridrosqualene; dimethicones, alkyl siloxane, polymethylsiloxane, methylphenylpolysiloxane and mixtures thereof. When used as a mixture of petrolatum and other lipids, the ratio of the petrolatum to the other selected lipids (hydrogenated and non-hydrogenated polybutene, or polydecene, or mineral oil) is preferably from about 10: 1 to about 1: 2, more preferably from about 5: 1 to about 1: 1. The size of the lipid droplets within the emulsion is preferably within the range of from about 0.1 microns to 100 microns, very small or some very large droplets are excluded. Preferably more than 25% of the lipid droplets are from about 5 microns to 120 microns, and more preferably at least 40% of the lipid droplets are from about 5 microns to 25 microns. An especially preferred droplet size range is from 15% to 35% of droplets having a size of from 0.1 to 5 microns, from 15 to 45% have a size of from 5 to 10 microns, from 30% up to 50% have a size between 10 and 25 microns, and less than 15% have a size greater than 25 microns. It is a surprising aspect that the higher levels of large size of the lipid droplet, can be stable in a composition for cleaning in liquid form, and also deposit effective levels during the cleaning process. Although we do not want to be compromised by any theory, the droplets Large, usually deposit more efficiently than smaller droplets.
C. The Dual Oil Emulsions in Aaua for Cleaning and Lipid-based Wetting It has been discovered, surprisingly, that the emulsions of the present invention, which contain crystalline hydroxyl-containing stabilizers, are much more stable under of tension, that the emulsions which contain crystalline waxes that do not contain hydroxyl, such as ethylene glycol distearate or tristearin. In addition, as described above, the dual compositions for cleaning and wetting in liquid form of the present invention exhibit good foaming characteristics and are formulated so that an effective amount of lipid is actually deposited on the skin, to provide the superior moisturizing benefits. The deposition of lipid on the skin can be measured through the following lipid deposition protocol. This protocol is modeled after the way consumers normally use skin cleansing products. The protocol is a live test, using at least 6 subjects. The protocol consists of one step of application of the product, followed by a determination of the amount of lipid deposited. The lipid quantification is in vivo, and therefore, there are large variations due to different skin types and conditions. To establish this, a balanced design is used to test prototypes; balanced on the skin type and using a large base size.
Preparation for the Lipid Repository Protocol The subject moistens the entire surface of the inner part of the forearm with filtered water at a temperature of 95 to 100 ° F, for five seconds. Subsequently, the subject saturates a pad, such as that described in US Patent No. 5, 144,744 issued to Campagnoli issued on September 8, 1992, and the pad is allowed to drain for 10 seconds. One milliliter of the product is applied to the forearm of the subject, and subsequently, the product is rubbed with the pad for 10 seconds until foam is generated. The foam is left on the forearm for fifteen seconds, followed by a deep rinse, for fifteen seconds, with the water flowing from the inside of the elbow to the wrist. Subsequently, the subject's arm is dried by lightly tapping with a paper towel. Subsequently, the subject allows his arm to dry to "air", for 30 seconds.
Lipid Deposit Protocol The lipid deposited on the skin, is measured using an SM810 Sebumeter, which is commercially available from Courage and Khazaka GmbH, and is reported to be recognized by the scientific world. The Sebumetro measures the lipid on the skin, through photometry of a special plastic strip, which becomes transparent when it absorbs the lipids. The plastic strip, extends over a mirror which is connected to a spring. The head to make the measurements of the apparatus, (comprised of spring, mirror and strip of plastic), is compressed against the skin for 30 seconds. The value (μg / sq. Cm), is indicative of the amount of lipid on the skin, and increases with the increased amount of lipid. The method is insensitive to moisture Sebumeter (3) readings are taken along the length of the forearm, and the Lipid Depository Value, LDV, (μg / sq cm.) Is defined as the meaning of the 3 readings, divided by 0.56 with respect to mixtures of lipids with petrolatum content. The value 0.56, is a conversion factor to transfer the sebumeter readings with lipids with petrolatum content, up to the actual deposit levels in μg / sq cm. Lipid deposition values are preferred, from 15 to 200 μg / sq. cm, more preferably from 30 to 150 μg / sq. cm. The Sebumetro has the following limitations: 1. The Sebumetro tape also detects the natural lipids of the skin. One criterion of this test was that the value of petrolatum in the subjects, measured in the Sebumetr prior to cleaning, is less than or equal to 3 μg / sq. cm. of forearm skin. 2. The Sebumeter, like other measures of surface extraction, can not 'measure the total amount of lipids that are deposited, since if the topography of the skin is wavy, it is possible that the deposited lipids can not be extracted by the Sebumetro tape. 3. The Sebumeter tape becomes saturated at an LDV above about 300 μg / sq. cm; since this method can be used only in relation to the lower deposit values of approximately 300 μg / sq. cm. 4. Different lipid system, will have different conversion factors. To test lipids without petrolatum content, a new calibration curve is required. The dual emulsions for cleaning and wetting in liquid form of the present invention have a Lipid Deposition Value of at least 5 micrograms per square centimeter. This means that at least 5 micrograms of lipid will be deposited on a square centimeter of forearm skin, using the protocol described above. We believe that, for some of the emulsions of the present invention, the rheological properties of the emulsion can have a significant effect on lipid deposits and emulsion stability. In particular, we believe that for some compositions, it is desirable to have a high degree of pseudoplasticity (lower n value and higher k). However, the pseudoplasticity of the emulsion may be of lesser importance when a pad, such as the polymer diamond mesh sponge, described in US Patent No. 5,144,744 issued to Campagnoli, issued September 8, 1992, is used to Apply the emulsion to the skin. The preferred values n and k, for the emulsions of the present invention, are set forth in the Table below: Reolóaica Table of Finished Products Range kfpoise a (1 / sec) n-1 n (dimensional) More preferred 250 - 500 0.20 - 0.05 Preferred 175 - 250 0.30 - 0.20 Less preferred 100 - 175 0.40 - 0.30 The Carrimed CSL 100 Controlled Voltage Rheometer is used to determine the Cut Index n, and the Consistency k, for the respective liquid cleaning products and systems of the present disclosure. The determination is carried out at a temperature of 35 ° C, with the cone measuring system of 2 or 4 cm, normally placed in a micro opening of 51 microns, and is carried out through the programmed application of a voltage cutting (typically from about 0.06 dynes / sq cm to about 5,000 dynes / sq. cm), over time. If this tension results in a deformation of the sample, for example, the deformation of the geometry of the measurements of at least 10-4 rad / sec, subsequently, this degree of deformation is reported, as a cutoff index. These data are adapted to create a flow curve of the material of viscosity μ against cut index? '. This flow curve can then be adapted in order to provide a mathematical expression that describes the behavior of the material, within the specific limits of cutting tension and cutting index. These results were adjusted with the power rule model well accepted below (see for example: Chemical Enqineering, by Coulson and Richardson, Pergamon, 1982, or Transport Phenomena by Bird, Stewart and Lightfoot, Wiley, 1960): Viscosity, μ = (? ') N "1 The emulsions of the present invention also have good foaming characteristics.The foam can be measured according to any of the tests listed below: Liquid Foam Hand Test The soap foam hand test is used to provide foam volume measurements during use for foam generation of liquid skin cleansers. The test measures the volume of foam generated, under a load of dirt, and without dirt. Synthetic earth is used for the test reported in the present description. Its formula is reported in U.S. Patent No. 4,673,525 issued to Small and Associates, issued June 16, 1987, which is incorporated herein by reference. Before starting the test, technicians first wash their hands with Ivory soap. Subsequently, the technician runs a hand through drinking water at a temperature of 95 ° F, leaving a small amount of water in the palm of his hand, and distributing 1.7 mis of test product in that hand. Subsequently, the technician passes the other hand through water and smears the product by rubbing the palms of your hands. The product is distributed on the palm and fingers for 3 times, then once on the other side of the hands. This procedure is repeated 5 times. An additional 2 ml of water is added to the hands and the product is again smeared through the hands, and distributed continuously, as indicated above, for 5 more times, then the product is collected / removed in a 250 ml container, and measured based on the volume that is usually expressed in milliliters.
Pad Foam Method Equipment Precipitation vessel of 1 - 800 mi. 1 utensil for potatoes (design for waffles with circular flat bottom) Syringe of 10 my stopwatch drinking water at a temperature of 95 ° F Wash pad of Olay Body (3 pieces of medium softness) Method 1. Fill the syringe with 4.5 ml. of the product 2. Add 150 ml of drinking water to the container at a temperature of 95 ° 3. Moisten the pad with drinking water at a temperature of 95 ° for 3 seconds. Drain excess water. 4. Place the pad in the container, press it down.
. Add the product to the pad with circular movement, covering the surface of the pad (not concentrated in the middle). 6. Wet the beaker for 3 seconds. 7. Operate the chronometer for 30 seconds. Using the beaker, insert the pad to the 200-mi mark, then up to the 600-mi mark (this counts as one time). Do this procedure 30 times in 30 seconds (each move up and down, takes 1 second). 8. Take a reading, letting the beaker sit on the pad (250 mis), without pressure. Measure the height of the foam on the beaker. Subtract the water level (approximately 100 mis). The dual cleaning and wetting liquid of the present invention can be manufactured by the procedure below, which utilizes trihydroxystearin as a representative stabilizer: Single Container Process 1. Trihydroxystearin is added to distilled water, and left to mix until completely hydrated (must be carried out with proper ventilation and dust masks, to prevent inhalation of such dust). 2. Surfactants (anionic, amphoteric, cationic and non-ionic) are added, and the mixture is heated to a temperature of 190 ° F, until the trihydroxystearin is completely molten and dissolved (87.8 ° C). While heating, the mixture is subjected to cutting, through a stirrer with a speed from medium to high. 3. The dispersion of trihydroxystearin is rapidly quenched using a plate and a heat exchanger structure, at a temperature of approximately 1 10 ° F to 80 ° F (from 43 ° C to 27 ° C), to form crystals of trihydroxystearin. The optimum thawing temperature for the other wax-shaped stabilizers is determined from the cooling curve of a DSC spectrum. 4. Tetrasodium EDTA and Glydant are added. Perfume is added. The mixture is stirred continuously at a medium speed. 5. If the optional polymer is to be included, it is added in one of different ways, depending on the type. If the polymer is Polyquaternium 10 or polyox, is previously mixed with glycerin and added as a premix, mixed for 5 minutes before continuing. Alternatively, Polyquaternium 10 or polyox is pre-mixed with water and left to stir for 10-20 minutes to allow hydration of the polymer. 6. Any of the additional sensing aids, such as siiicones, are added and mixed for 1 -2 minutes. 7. The batch is adjusted for the loss of water, by recording its weight, and the amount that was lost due to evaporation during the manufacturing process of the batch is added again. 8. A pre-mixed mixed lipid, (eg, polybutene or mineral oil with petrolatum), at a temperature of 105-1 10 ° F (40-43 ° C), is added to the mixture at a temperature of 105-1 10 ° F (40-43 ° C), and left stirring for 2 minutes at a low speed and up to half speed. It is considered important the duration and intensity of the mixture, after the addition of the lipid, taking into account in a special way the size of the particle. Therefore, if it is mixed too long or too fast, the particle size and lipid deposit decrease.
EXAMPLES The following, include some non-limiting examples of the present invention: EXAMPLES FROM 1 TO 3 Typical Examples of Products Stabilized with Trihydroxystearin: Ingredients No.1 No.2 No.3 No.4 Alkyl Sulfate C 12/14 Sodium Gllcßrol Sodium 1 1 .57 0.00 6.86 12.0 Ammonium Lauristate-3 Sulfate 3.86 7.38 0.00 3.0 Potassium Myriestate 0.00 0.00 6.86 0.0 Miristic Acid 0.00 0.00 0.00 1.0 Alcohol Miristlco 0.00 0.00 0.00 1.0 Ammonium Lauryl Sulfate 0.00 4.92 0.00 0.0 Cocamidopropyl Betaine 2.57 3.69 2.29 3.0 Trihydroxystearin (Thixcin R) (Stabilizer) 1.75 2.00 1.75 1.76 Petrolatum 11.60 11.60 11.60 0.0 Liquid Cotton Seed SPE 0.00 0.00 0.00 15.3 SPE Solid of C22 0.00 0.00 0.00 1.20 Polyisobutene Hydrogregated 2.90 2.90 2.90 2.90 Glycerin 6.24 6.24 6.24 ED A Tetrasodium 0.13 0.13 0.13 0.13 Hidantoin DMDM 0.14 0.14 0.14 Perfume 0.80 0.80 0.80 0.80 Policuat-10 (JR-30M) 0.00 0.00 0.30 0.30 Glidant 0.00 0.00 0.00 0.20 Soya Bean Oil Manado 0.00 0.00 0.00 1.0 Water 59.04 60.19 60.24 1s Foam Volume (mi) 90 85 90 Consistency, k (Polses) 310 355 176 Cut-off index, n 0.17 0.10 0.29 Stable in Storage Yes Yes Yes Yes Stable under Stress Conditions S Sii Yes Yes Yes The above examples are stable in storage, stable under stress conditions, have a good amount of lipid deposit and good foam generation. The Foam is measured according to the Liquid Foam Hand Test.
Comparative Examples 5 to 7 The following Comparative Examples from 5 to 7 comprise hydroxyl-free waxes in the form of stabilizers. Included, to demonstrate the novelty and advantages of said hydroxyl crystalline wax stabilizers of the present invention.
Ingredients No.5 No.6 No.7 Sulfonate C12 / 14 alkyl ether Glycerol Sodium 11.57 4.27 6.10 Ammonium Laureate-3 Sulphate 3.86 0.0 0.0 Sarcosilnate Sodium Lauroyl 0.0 0.0 2.0 Sarcosinate Lauroyl TEA 0.0? .7ß 0.0 Potassium Myrrotic 0.0 4.36 6.30 Cocamidopropyl Betaine 2.57 0.0 0.0 Mirlstolic Acid 0.0 0.50 0.30 Coco Betaine 0.0 1.97 3.20 Triestearin (Stabilizer) 2.0 0.0 0.0 Glycol Ethyl Distearate (MW 400,000) 0.0 0.05 0.0 Carbopol 980 (Stabilizer) 0.0 0.0 0.50 Policual-10 (JR30M) 0.0 0.0 0.30 Petrolatum 1 1.6 1 1 .6 13.2 Hydrogenated Poiifisobutene 2.9 0.0 2.9 Mineral Oil 0.0 2.9 0.0 Alcohol Miristil 0.0 0.0 1.0 Glycerin 6.24 6.24 6.24 Hidantoin DMDM 0.14 0.0 0.37 Tetrasodium EDTA 0.13 0 2.00 Perfume 0.8 0.50 0.80 Water 59.04 57.36 52.94 k (Poise) 60 30 141 n 0.33 0.26 0.40 Stable in Storage Yes Yes Yes Stable under Stress Conditions Yes Yes Yes The above Shared Examples, have been included to demonstrate the advantages of the emulsions of the present invention, with respect to stability. Comparative Examples from 5 to 7, are cleaning products in liquid form, containing lipids, which use in the form of stabilizers, two different waxes without hydroxyl and a combination of wax-polymer without hydroxyl, respectively. Comparative Example 5 uses tristearin in the form of a stabilizer within the same matrix and level exactly, as was used with the trihydroxystearin in Example 1 above. This comparison is important because these two molecules are identical, with the exception of the 3 hydroxyl groups on trihydroxystearin. Correspondingly, the tristerarin prototype exhibits a much lower consistency, and does not correspond to be stable under Tension conditions. This is a marked contrast in Example 1 with trihydroxystearin, which exhibits a consistency and stability under much larger stress conditions. This comparison clearly confirms the importance of the hydroxyl groups to achieve a product for cleaning in liquid form, stable under conditions and tension and highly pseudoplastic, crystalline waxes in the form of stabilizers / thickeners.
Trihydroxystearin Triestearin Example 6 is a liquid-form cleaner containing lipid-based humectant, which uses ethylene glycol distearate in the form of a stabilizer. Ethylene glycol distearate, is a wax without hydroxyl and similar to the previous tristearin, this stabilizer also imparts to the cleaner in liquid form, rather a lower consistency and a lack of stability under tension conditions. Example 7 demonstrates that using a stabilizer polymer with ethylene glycol distearate, stability under stress conditions can be improved. ver, the addition of the polymer, increases the cutting index n, of the cleaner. The only crystalline waxes, which were discovered with the ability to provide sufficient stability under tension conditions, without the need for a polymer, were waxes containing hydroxyl groups, such as those described in the present disclosure. The above information, in addition to supporting the idea of the presence of hydroxyl groups in crystalline waxes, are the key to the present invention. Examples 8 through 11 are some additional non-limiting examples of the present invention.
Example 8 Example 9 Example 10 Example Ammonium Laureth Sulfate-3 9.45 9.45 9.45 9.45 Ammonium Lauryl Sulfate 3.15 3.15 3.15 3.15 Lauroamfoacetate Na 5.40 5.40 5.40 5.40 Trihidroxiestearin 4.0 4.0 4.0 2.0 Polyquaternium-10 0.3 0.3 0.3 0.3 Glicßrina 3.0 3.0 3.0 3.0 Perfume 0.8 0.8 0.8 0.8 EDTA Tetrasodium 0.13 0.13 0.13 0.13 Cítrico Acid 0.76 0.76 0.76 0.76 Petrolatum 16.50 11.20 16.50 - Polybutene (H1900) 0.0 4.80 0.0 - Lauryl Alcohol - - 1.0 2.0 PEG14M Silica Smoked 0.0 0.0 0.1 1.6 Sucrose of Cottonseed 15.3 Octaester Octaesters of Sucrose of Fatty Acids C22 1.2 Water Q.S. Q.S. Q.S. Q.S.
Foam Volume (mi) 400 400 Lipid Reservoir * 21.4 33.9 23.2 ° Stable under Voltage Conditions Yes Yes Yes * The Conversion factor 0.56 for the petrolatum is used in the present description as an approximation. The volume of foam reported in this table is measured according to the Method of Foam Pad, mentioned in the present description above.

Claims (21)

  1. RE IVI NDI CAC ION ES 1. A foam generating composition for the skin, stable under liquid tension conditions, comprising by weight, parts of the composition in liquid form: (a) from about 0.5 parts to 10 parts of a crystalline stabilizer with hydroxyl content, selected from the group consisting of: (i) CH - ORi CH2 - 0R2 CH - OR3 where O R1 is -C-R4 (COH) xR5 (COH) and R6; R2 is R1 or H R3 is R1 or H R4 is Alkyl of CQ-20 R5 is Alkyl of CQ-20 RQ is Alkyl of Crj-20 R4 + R5 + Rß = C10-22 and where 1 = x + y = 4; (¡I) OR I! R7-C-OM wherein R7 is R (COH) xR5 (COH) and R6 M is Na +, K + or Mg ++, or H; and (iii) mixtures thereof; (b) from about 1 part to about 30 parts of lipid-based skin moisturizing agent; wherein said lipids have a cut-off index (n), at a temperature of 35 ° C, within the range of from 0.1 to 0.9, and a consistency at a temperature of 35 ° C, within a range of from 10 to 5,000 poises; (c) from about 5 parts to about 30 parts of surfactant, wherein said surfactant has a combined value of equilibrium tension of the CMC surface of from 15 to 50; Y (d) water; wherein said composition for cleaning the skin in liquid form, generating stable foam, under tension conditions, has a Lipid Deposition Value (LDV), of from about 5 to about 1000, and wherein said composition is stable for at least 2 weeks at a temperature of 100 ° F (38 ° C).
  2. 2. The composition in liquid form for cleaning the foam-generating skin, stable under tension conditions as described in Claim 1, further characterized in that said foam-generating cleaning liquid has a cutting index of a temperature of 35 ° C, within a range of from 0.30 - 0.05, and a consistency at a temperature of 35 ° C within a range of from 175 - 500.
  3. 3. The composition in liquid form for cleaning the foam-generating skin, stable under tension conditions as described in Claim 1 which comprises (a) from about 0.75 to about 8 parts of crystalline stabilizer with hydroxyl content; (b) from about 5 to about 30 parts of lipid-based wetting agent, wherein said lipid-based wetting agent has a viscosity value of consistency k, from 10 poise to 3,000 poise at a temperature of 35 ° C, and a cutting index at a temperature of 35 ° C within a range of from 0.1 to 0.5; (c) from about 5 to about 25 parts of a surfactant having a surface tension equilibrium (CMC) value, critical concentration of micelles, from 25 to 40 dynes per centimeter, at a temperature of 25CC; and (d) from about 30 parts to about 80 parts of water; wherein said composition in liquid form has a (Lipid Deposition Value) LDV of from 15 to 200 μg / sq. cm.
  4. 4. The composition for the skin in liquid foam generating form, as described in Claim 3, further characterized in that said lipid-based wetting agent is selected from the group consisting of: hydrocarbon oils and waxes, silicones, fatty acid derivatives, cholesterol, cholesterol derivatives, di and tri-glycerides; vegetable oils, vegetable oil derivatives, non-digestible liquid oils, mixtures of digestible liquid oils and digestible np with solid polyol polyesters, acetoglyceride esters, alkyl esters, alkenyl esters, lanolin and lanolin derivatives, milk triglycerides, wax esters, beeswax derivatives, sterols, phospholipids and mixtures thereof.
  5. 5. The skin composition in liquid foam generating form, as described in Claim 4, further characterized in that the crystalline hydroxyl-containing stabilizer comprises tri-12-hydroxystearin.
  6. The skin composition in liquid foam generating form, as described in Claim 5, which comprises from about 1.25 to about 5 parts of crystalline hydroxyl-containing stabilizer.
  7. 7. The composition in liquid form for cleaning the foam generating skin, stable under tension conditions as described in Claim 3, further characterized in that said lipid-based wetting agent is selected from the group consisting of: petrolatum, mineral oil, microcrystalline waxes, polyalkenes, paraffin, ozokerite, polyethylene, peridroesqualene, dimethicones, cyclomethicones, alkyl siloxanes, polymethylsiloxanes, methylphenylpolysiloxanes, hydroxylated milk glyceride, castor oil, soy bean oil, soy bean oil maleado, sunflower oil, cottonseed oil, corn oil, walnut oil, peanut oil, olive oil, vanilla leaf oil, almond oil, avocado oil, palm oil, oil sesame, octaesters of liquid sucrose, mixtures of octaesters of liquid sucrose and polyesters of solid polyol, lanolin oil, lanolin wax, alcohol of lanolin, lanolin fatty acid, isorpopyl lanolate, acetylated lanolin, acetylated lanolin alcohols, alcohol linoleate lanolin, lanolin alcohol riconeleate, beeswax, beeswax derivatives, sperm whale sperm, myristyl myristate, stearyl stearate, carnauba and candelilla waxes, cholesterol, cholesterol fatty acid esters and homologs thereof, lecithin and derivatives, Spingo lipids, ceramides, glycospingo lipids and homologs thereof, and mixtures thereof.
  8. 8. The composition in liquid form for cleaning the foam generating skin, stable under tension conditions as described in Claim 7, further characterized in that said composition in liquid form has a Lipid Deposition Value within a range of from 30 to 150; and wherein at least 75% of said lipid phase is selected from the group consisting of: petrolatum, mixtures of high molecular weight petrolatum and polybutene, mineral oil, liquid sucrose octaesters, octaester mixtures of liquid sucrose and polyesters of solid polyol, hydrogenated and non-hydrogenated polybutene, micro-crystalline wax, polyalkene, paraffin, wax, ozokerite, polyethylene, peridrosqualene; dimethicones, alkyl siloxane, polymethylsiloxane, methylphenylpolysiloxane and mixtures thereof.
  9. 9. The composition in liquid form for cleaning the foam generating skin, stable under stress conditions as described in Claim 8, further characterized in that the lipid phase comprises a mixture of petrolatum and polybutylene in a proportion of about 5: 1 to about 1: 1.
  10. 10. The composition in liquid form for cleaning the foam-generating skin, stable under tension conditions as described in Claim 8, further characterized in that the phase Lipid comprises mixtures of octaesters of liquid sucrose and solid polyol polyesters, in a ratio of from about 96: 4 to about 80:20.
  11. 11. The composition in liquid form for cleaning the foam-generating skin, stable under tension conditions as described in Claim 8, which comprises from about 10 parts to about 25 parts of lipid-based wetting agent; and wherein said lipid has a k-value of from 50 to 2000 poises, and a cut-off index of from 0.20 to about 0.50.
  12. 12. The composition in liquid form for cleaning the foam generating skin, stable under tension conditions as described in Claim 1, which comprises from about 5 to about 25 parts of surfactant, and wherein said surfactant is selected from the group consisting of acyl isethionates, acyl sarcosinates, alkyl glyceryl ether sulfonates, alkyl sulfates, alkyl sulfates, acyl lactylate, methylacyl taurates, paraffin sulphonates, linear alkyl benzene sulfonates, N-acyl glutamates , alkyl sulfosuccinates, sulfo fatty acid esters, alkyl ether carboxylates, alkyl phosphate esters, ethoxylated alkyl phosphate esters, alpha olefin sulphates, alkyl ether sulfates (with from 1 to 12 ethoxy group) ) and mixtures thereof, wherein said surfactants contain alkyl chains of C8 to C22, and wherein the counter ion is selected from the group which consists of: Na, K, NH4, N (CH2CH2? H) 3.
  13. 13. The composition in liquid form for cleaning the foam-generating skin, stable under tension conditions, as described in Claim 12, further characterized in that said crystalline hydroxyl-containing stabilizer comprises tri-12-hydroestearin.
  14. 14. The composition in liquid cleansing form for the foam-generating skin, as described in Claim 1, which contains from about 0.1 to about 1 part of a water-dispersible gel-forming polymer.
  15. 15. The composition in liquid cleansing form for the foam generating skin, as described in Claim 12, further characterized in that the polymer is selected from the group consisting of cationic polysaccharides of the cationic guar gum class, with molecular weights from 1, 000 to 3,000,000, anionic, cationic and nonionic homopolymers derived from acrylic and / or methacrylic acid, anionic, cationic and nonionic cellulose resins; cationic copolymers of dimethyldialkylammonium chloride and acrylic acid; homopolymers of dimethyl dialkylammonium chloride; cationic polyalkylene and ethoxypolyalkylene mines, polyethylene glycol of molecular weight from 100,000 to 4,000,000; and mixtures thereof.
  16. 16. The composition in liquid cleansing form for the foam generating skin, as described in Claim 1, further characterized in that said composition additionally comprises from about 0.5 to about 25 parts of water soluble organic material, wherein said organic material soluble in water, is selected from the group consisting of a polyol of the structure: R1 -0 (CH2-CR2HO) nH wherein R1 = H, C1-C4 alkyl; R2 = H, CH3, and n = 1-200; C2-C10 alkaline diols; guanidine; glycolic acid and glycolate salts (for example ammonium and quaternary alkyl ammonium); lactic acid and lactate salts (for example, ammonium and quaternary alkyl ammonium); polyhydroxyl alcohols such as orbitol, glycerol, hexanetriol, propylene glycol, hexylene glycol and the like, polyethylene glycol; sugars and starches; sugar and starch derivatives (for example alkoxylated glucose); panthenol (including forms D-, L-, and D. L-); pyrrolidone carboxylic acid; hyaluronic acid; lactate monoethanolamine; monoethanolamine acetamide; urea; and ethanol amines of the general structure (HOCH2CH2)? NHy, wherein x = 1 -3; y = 0-12, and x + y = 3, and mixtures thereof, and wherein said organic material soluble in water, is at least 50% soluble in water.
  17. 17. The composition in liquid cleansing form for the foam generating skin, as described in Claim 1, which additionally comprises from about 0.5 part to about 5 parts of fumed silica, in the aqueous phase.
  18. 18. The liquid cleaning composition for the foam generating skin, as described in Claim 1, which additionally comprises from about 0.5 parts to about 3 parts of maize soybeans oil.
  19. 19. The composition in liquid cleansing form for the foam generating skin, comprising by weight, parts of the composition in liquid form: (a) from about 1.25 parts to 5 parts of a water soluble hydroxyl crystalline wax stabilizer, wherein the stabilizer comprises tri-12-hydroxystearin; (b) from about 10 parts to about 25 parts of lipid-based wetting agent, which has a cutting index at a temperature of 35 ° C in the range of 0.2 to 0.5, and a consistency at a temperature of 35 ° C within the range of 50 to 2,000 poise; (c) from about 10 parts to about 25 parts of surfactant having an equilibrium value of the combined CMC surface tension of from 15 to 50; (d) from about 40 to about 65 parts of water; wherein said composition in liquid form for cleaning the foam generating skin, stable under stress conditions, has a Lipid Deposition Value (LDV) of from about 30 to about 150. • 20. The composition in liquid form for the foam-generating personal cleaning, stable under tension conditions, as described in Claim 19, further characterized in that said foam-generating cleaning liquid has a cutting index at a temperature of 35 ° C, within a range from 0.30 - 0.05, and a consistency at a temperature of 35 ° C, within a range of 175 - 500. 21. Personal cleaning equipment for the bath or for the body, comprising: (a) a manual sponge for personal mesh cleaning of low weight polymer diamond; and (b) The composition in liquid form for cleansing the skin and generating foam, stable under tension conditions as described in Claim 1. ABSTRACT OF THE INVENTION The present invention relates to a composition in liquid form for cleaning the foam generating skin, stable under tension conditions, which comprises by weight, parts of the composition in liquid form: (a) from about 0.5 parts up to 10 parts of a hydroxyl-containing crystalline stabilizer, for example trihydroxystearin; (b) from about 1 part to about 30 parts lipid-based skin moisturizing agent; (c) from about 5 parts to about 30 parts of surfactant having an equilibrium value of the combined CMC surface tension, from 15 to 50; (d) water; wherein said composition in liquid form for cleaning the foam-generating skin, stable under stress conditions, has a Lipid Deposition Value (LDV), of from about 5 to about 100, and wherein said composition is stable by at least for two weeks at a temperature of 100 ° F:
MXPA/A/1997/006172A 1995-02-15 1997-08-13 Hydroxyl crystal waxes in the form of oil stabilizers in water for liquid composition for cleaning the p MXPA97006172A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US38896195A 1995-02-15 1995-02-15
US388961 1995-02-15
US52925895A 1995-09-15 1995-09-15
US529258 1995-09-15
PCT/US1996/001081 WO1996025144A1 (en) 1995-02-15 1996-01-24 Crystalline hydroxy waxes as oil in water stabilizers for skin cleansing liquid composition

Publications (2)

Publication Number Publication Date
MX9706172A MX9706172A (en) 1997-11-29
MXPA97006172A true MXPA97006172A (en) 1998-07-03

Family

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