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WO2013160364A1 - Composition comprenant un silane et un tensioactif gemini - Google Patents

Composition comprenant un silane et un tensioactif gemini Download PDF

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Publication number
WO2013160364A1
WO2013160364A1 PCT/EP2013/058521 EP2013058521W WO2013160364A1 WO 2013160364 A1 WO2013160364 A1 WO 2013160364A1 EP 2013058521 W EP2013058521 W EP 2013058521W WO 2013160364 A1 WO2013160364 A1 WO 2013160364A1
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Prior art keywords
composition according
composition
carbon atoms
group
gemini surfactant
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PCT/EP2013/058521
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English (en)
Inventor
Raluca Lorant
Nathalie GUILLIER
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L'oreal
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Publication of WO2013160364A1 publication Critical patent/WO2013160364A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/58—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing atoms other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur or phosphorus
    • A61K8/585—Organosilicon compounds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
    • A61K8/86—Polyethers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00—Preparations for care of the skin

Definitions

  • composition comprising a silane and a gemini surfactant
  • the present patent application relates to a composition comprising a silane and a gemini surfactant, and to the use of the said composition in cosmetics and dermatology, in particular for caring for or treating keratin materials.
  • gemini surfactant means compounds comprising two hydrophilic heads and two hydrophobic tails linked together via a spacer.
  • These surfactants have already been described as being useful in cosmetic compositions (WO-A-96/14926), in particular in compositions for cleansing the hair or the skin (EP-0 915 945) or in pearlescent concentrates used in cleansing compositions, optionally in combination with hydroxy acids and vitamins such as retinol or tocopherol or derivatives thereof such as diascorbyl palmitate (WO-A-01/74979).
  • Gemini surfactants have a quite particular structure since they comprise two hydrophilic groups and two hydrophobic groups, which gives them not only surfactant properties but also, for some of them, highly appreciated properties associated with their particular structure which is close to that of ceramides, thus enabling them to have similar properties thereto, in particular moisturizing properties, without the formulation drawbacks of ceramides, which are difficult to incorporate and may form crystals.
  • these gemini surfactants have a very low surface tension, and they have good emulsifying properties for the preparation of oil-in-water (O/W) emulsions. In addition, they are flexible molecules of very small size, close to that of micelles, and are much less irritant than other surfactants.
  • these surfactants have the drawback of giving compositions that do not have good cosmetic properties. Specifically, the compositions obtained are heavy on application since they do not glide well over the skin, they spread poorly and are considered as being absorbed too quickly. Consequently, these emulsions are not fresh enough, and, once absorbed on the skin, a dragging and coarse effect is observed. As a result, the consumer has a negative sensation when they are applied to the skin.
  • compositions especially an O/W emulsion containing a gemini surfactant, which has good cosmetic properties, especially on application and after application.
  • the cosmetic properties sought are a soft and pleasant effect on application, a fresh effect, no dragging or coarse effect, and good glidance during application and after application to keratin materials and more particularly the skin.
  • the object of the invention is to be able to prepare emulsions with good cosmetic properties without having the drawbacks of the prior art.
  • the Applicant has discovered, surprisingly, that this problem can be solved by combining a gemini surfactant and a silane.
  • One subject of the present invention is thus a composition, especially in emulsion form, comprising at least one silane and/or oligomers thereof and at least one gemini surfactant.
  • This composition may be obtained by mixing at least one silane and/or oligomers thereof and at least one gemini surfactant.
  • composition of the invention is intended especially for topical application, it comprises a physiologically acceptable medium, i.e. a medium that is compatible with all keratin materials such as the skin, the nails, mucous membranes and keratin fibres (such as the hair or the eyelashes).
  • a physiologically acceptable medium i.e. a medium that is compatible with all keratin materials such as the skin, the nails, mucous membranes and keratin fibres (such as the hair or the eyelashes).
  • the composition obtained according to the invention has the advantage of having a homogeneous, non-tacky texture and of being very gentle on application to the skin and after penetration of the product, without a dragging or coarse effect on the skin.
  • compositions spread particularly well on keratin materials such as the skin and the hair.
  • a subject of the invention is also a cosmetic process for treating keratin materials, which consists in applying to the keratin materials a composition as defined above.
  • silane(s) that may be used in the composition according to the invention are especially those corresponding to formula (I) below and/or oligomers thereof:
  • R 2 and R3 which may be identical or different, represent a linear or branched alkyl group comprising from 1 to 6 carbon atoms,
  • ⁇ z denotes an integer ranging from 0 to 3
  • the silane(s) being present in an active material content ranging from 5% to 20% by weight relative to the total weight of the composition.
  • oligomer means the polymerization products of the compounds of formula (I) comprising from 2 to 10 silicon atoms.
  • R3 represents an alkyl group comprising from 1 to 4 carbon atoms, better still a linear alkyl group comprising from 1 to 4 carbon atoms, and preferably methyl and ethyl groups.
  • F3 ⁇ 4 represents an alkyl group comprising from 1 to 4 carbon atoms, better still a linear alkyl group comprising from 1 to 4 carbon atoms, and preferably the ethyl group.
  • Ri represents an alkyl group, and even more preferentially a linear alkyl group, comprising from 7 to 18 carbon atoms and more particularly from 7 to 12 carbon atoms or a C1 -C6 and preferably C2-C4 aminoalkyl group.
  • Ri denotes an octyl radical.
  • z ranges from 1 to 3. Even more preferentially, z is equal to 3.
  • the composition comprises at least one silane chosen from octyltriethoxysilane, dodecyltriethoxysilane, octadecyltriethoxysilane, hexadecyltriethoxysilane and ⁇ -aminopropyltriethoxysilane, preferably chosen from octyltriethoxysilane, dodecyltriethoxysilane, octadecyltriethoxysilane and hexadecyltriethoxysilane.
  • silane chosen from octyltriethoxysilane, dodecyltriethoxysilane, octadecyltriethoxysilane and hexadecyltriethoxysilane.
  • the composition comprises at least octyltriethoxysilane (OTES).
  • OTES octyltriethoxysilane
  • the silane(s) and/or oligomers thereof may be present in the composition of the invention in an active material content preferably ranging from 5% to 15% by weight and more particularly from 8% to 12% by weight relative to the total weight of the composition.
  • Gemini surfactant octyltriethoxysilane
  • the gemini surfactant is preferably a surfactant of formula (I): in which:
  • Ri and R3 denote, independently of each other, an alkyl radical having from 1 to 25 carbon atoms;
  • R2 denotes a spacer consisting of a linear or branched alkylene chain having from 1 to 12 carbon atoms
  • - X denotes a group -(C2H 4 O) a -(C3H 6 O) b Z,
  • - Y denotes a group -( ⁇ 2 ⁇ 4 ⁇ ) 0 -( ⁇ 3 ⁇ 6 ⁇ ) ⁇
  • Z denotes a hydrogen atom or a radical -CH 2 -COOM, -SO3M, -P(O)(OM) 2 , -C 2 H 4 -SO 3 M, -C3H6-SO3M or -CH 2 (CHOH) 4 CH 2 OH, where M and M' represent H or an alkali metal or alkaline-earth metal or ammonium or alkanolammonium ion,
  • - n ranges from 1 to 10.
  • Ri and R3 denote, independently of each other, preferably an alkyl radical containing from 5 to 21 and more particularly from 7 to 19 carbon atoms;
  • the gemini surfactant is preferably such that each of the groups R1-CO- and R3- CO- comprises from 8 to 20 carbon atoms, and preferably denotes a coconut fatty acid residue (comprising mainly lauric acid and myristic acid).
  • b and d are equal to 0.
  • this surfactant is preferably such that the sum of a, b, c and d has a mean value ranging from 10 to 20 and is preferably from 12 to 18 and more particularly equal to 15.
  • a preferred group for Z is the group -SO3M, where M is preferably an alkali metal ion such as a sodium ion.
  • the spacer R 2 advantageously consists of a linear C1-C3 alkylene chain, and preferably an ethylene (-CH 2 CH 2- ) chain.
  • n is advantageously equal to 1 .
  • a surfactant of this type is in particular the one identified by the INCI name: Disodium Ethylene Dicocamide PEG-15 Disulfate, having the following structure:
  • RCO represents a coconut fatty acid radical and m+n has a mean value of 15.
  • the gemini surfactant according to the invention is used as a mixture with other surfactants, and especially as a mixture with (a) glyceryl ester of a C6- C22 fatty acid (preferably C14-C20 such as a stearate), (b) a diester of a C6-C22 fatty acid (preferably C14-C20 such as a stearate) and of citric acid and of glycerol (especially a diester of a C6-C22 fatty acid and of glyceryl monocitrate), and (c) a C10-C30 fatty alcohol (preferably behenyl alcohol).
  • composition according to the invention comprises a mixture of disodium ethylene dicocamide PEG-15 disulfate, glyceryl stearate, glyceryl stearate monocitrate and behenyl alcohol.
  • the gemini surfactant according to the invention represents from 10% to 20% by weight and advantageously 15% by weight; the glyceryl ester of a C6-C22 fatty acid represents from 30% to 40% by weight, advantageously 35% by weight; the diester of a C6-C22 fatty acid and of citric acid and of glycerol represents from 10% to 20% by weight, advantageously 15% by weight; and the C10-C30 fatty alcohol represents from 30% to 40% by weight, advantageously 35% by weight, relative to the total weight of the mixture of surfactants containing the gemini surfactant.
  • the composition according to the invention comprises a mixture of from 10% to 20% by weight of disodium ethylene dicocamide PEG-15 sulfate, from 30% to 40% (in particular 35%) by weight of glyceryl stearate, from 10% to 20% (in particular 15%) by weight of glyceryl stearate monocitrate, and from 30% to 40% (in particular 35%) by weight of behenyl alcohol, relative to the total weight of the mixture of surfactants containing the gemini surfactant.
  • the gemini surfactant according to the invention may be used as a mixture with an anionic surfactant, such as an ester of lauric acid, sodium lauroyl lactate.
  • an anionic surfactant such as an ester of lauric acid, sodium lauroyl lactate.
  • the gemini surfactant preferably represents from 30% to 50% by weight and the anionic surfactant represents from 50% to 70% by weight, relative to the total weight of the mixture.
  • gemini surfactant may be used, for example, as a mixture with other surfactants in the form of the products sold by Sasol under the Ceralution® names, in particular the following products:
  • Ceralution ® H Behenyl Alcohol, Glyceryl Stearate, Glyceryl Stearate Citrate and Disodium Ethylene Dicocamide PEG-15 Disulfate,
  • Ceralution ® F Sodium Lauroyl Lactylate and Disodium Ethylene Dicocamide PEG-15 Disulfate
  • Ceralution ® C Capric/Caprylic Triglyceride, Ceteareth-25, Disodium Ethylene Dicocamide PEG-15 Disulfate, Sodium Lauroyl Lactylate, Behenyl Alcohol, Glyceryl Stearate and Glyceryl Stearate Citrate (INCI names).
  • the gemini surfactant represents from 3% to 50% of the weight of these mixtures.
  • the gemini surfactant may be present in the composition according to the invention in an active material content ranging from 0.05% to 10% by weight, preferably ranging from 0.1 % to 5% by weight and better still ranging from 0.2% to 2% by weight relative to the total weight of the composition.
  • the composition preferably comprises one aqueous phase and one fatty phase.
  • the aqueous phase of the compositions according to the invention comprises at least water.
  • the amount of aqueous phase can range from 0.1 % to 99% by weight, preferably from 0.5% to 98% by weight, better still from 30% to 95% by weight and even better still from 40% to 95% by weight, relative to the total weight of the composition. This amount depends on the formulation form of the composition desired.
  • the amount of water may represent all or part of the aqueous phase, and it is generally at least 30% by weight relative to the total weight of the composition.
  • the aqueous phase may comprise at least one hydrophilic solvent, for instance substantially linear or branched lower monoalcohols containing from 1 to 8 carbon atoms, for instance ethanol, propanol, butanol, isopropanol or isobutanol; polyols such as propylene glycol, isoprene glycol, butylene glycol, glycerol, sorbitol or polyethylene glycols and derivatives thereof, and mixtures thereof.
  • hydrophilic solvent for instance substantially linear or branched lower monoalcohols containing from 1 to 8 carbon atoms, for instance ethanol, propanol, butanol, isopropanol or isobutanol
  • polyols such as propylene glycol, isoprene glycol, butylene glycol, glycerol, sorbitol or polyethylene glycols and derivatives thereof, and mixtures thereof.
  • the proportion of the fatty phase of the emulsion may range, for example, from 1 % to 80% by weight, preferably from 2% to 50% by weight and better still from 5% to 30% by weight relative to the total weight of the composition.
  • This indicated amount does not comprise the content of lipophilic surfactants.
  • the nature of the fatty phase (or oily phase) of the emulsion is not critical.
  • the fatty phase may thus consist of any fatty substance conventionally used in cosmetics or dermatology; it especially comprises at least one oil (fatty substance that is liquid at 25°C).
  • oils that may be used in the composition of the invention, examples that may be mentioned include:
  • oils of vegetable origin such as liquid triglycerides of fatty acids comprising from 4 to 10 carbon atoms, such as heptanoic or octanoic acid triglycerides, or alternatively, for example, sunflower oil, maize oil, soybean oil, cucumber oil, grape seed oil, sesame seed oil, hazelnut oil, apricot oil, macadamia oil, arara oil, castor oil, avocado oil, caprylic/capric acid triglycerides, such as those sold by Stearineries Dubois or those sold under the names Miglyol 810, 812 and 818 by Dynamit Nobel, jojoba oil and shea butter oil;
  • esters and ethers especially of fatty acids, for instance the oils of formulae R a COOR b and R a OR b in which R a represents a fatty acid residue containing from 8 to 29 carbon atoms and R b represents a branched or unbranched hydrocarbon-based chain containing from 3 to 30 carbon atoms, for instance Purcellin oil, isononyl isononanoate, isopropyl myristate, 2-ethylhexyl palmitate, 2-octyldodecyl stearate, 2-octyldodecyl erucate or isostearyl isostearate; hydroxylated esters, for instance isostearyl lactate, octyl hydroxystearate, octyldodecyl hydroxystearate, diisostearyl malate or triisocetyl citrate; fatty alcohol heptanoates, octano
  • substantially linear or branched hydrocarbons of mineral or synthetic origin such as volatile or nonvolatile liquid paraffins, and derivatives thereof, petroleum jelly, polydecenes, isohexadecane, isododecane or hydrogenated polyisobutene, such as Parleam® oil;
  • - fatty alcohols having from 8 to 26 carbon atoms, such as cetyl alcohol, stearyl alcohol and a mixture thereof (cetearyl alcohol), octyldodecanol, 2-butyloctanol, 2- hexyldecanol, 2-undecylpentadecanol, oleyl alcohol or linoleyl alcohol;
  • ethoxylated fatty alcohols such as oleth-12, ceteareth-12 and ceteareth-20;
  • Fluoro oils that may also be mentioned include perfluoromethylcyclopentane and perfluoro-1 ,3- dimethylcyclohexane, sold under the names Flutec PC1 ® and Flutec PC3 ® by the company BNFL Fluorochemicals; perfluoro-1 ,2-dimethylcyclobutane; perfluoroalkanes such as dodecafluoropentane and tetradecafluorohexane, sold under the names PF 5050 ® and PF 5060 ® by the company 3M, or bromoperfluorooctyl sold under the name Foralkyl ® by the company Atochem; nonafluoromethoxybutane sold under the name MSX 4518 ® by the company 3M and nonafluoroethoxyisobutane; perfluoromorpholine derivatives such as those described in the document JP-A-2-295 912.
  • Fluoro oils that may also be mentioned include perfluoromethylcycl
  • silicone oils for instance volatile or nonvolatile polymethylsiloxanes (PDMS) with a substantially linear or cyclic silicone chain, which are liquid or pasty at room temperature, especially cyclopolydimethylsiloxanes (cyclomethicones) such as cyclohexadimethylsiloxane and cyclopentadimethylsiloxane; polydimethylsiloxanes comprising alkyl, alkoxy or phenyl groups, which are pendent or at the end of a silicone chain, these groups containing from 2 to 24 carbon atoms; phenylsilicones, for instance phenyl trimethicones, phenyl dimethicones, phenyltrimethylsiloxydiphenylsiloxanes, diphenyl dimethicones, diphenylmethyldiphenyltrisiloxanes or 2-phenylethyl trimethylsiloxy silicates, and polymethylphenylsiloxanes;
  • hydrocarbon-based oil is understood to mean any oil predominantly comprising carbon and hydrogen atoms, and optionally ester, ether, fluoro, carboxylic acid and/or alcohol groups.
  • the other fatty substances which can be present in the oily phase are, for example, fatty acids comprising from 8 to 30 carbon atoms, such as stearic acid, lauric acid, palmitic acid and oleic acid; waxes, such as lanolin, beeswax, carnauba wax, candelilla wax, paraffin waxes, lignite or microcrystalline waxes, ceresin or ozokerite, or synthetic waxes, such as polyethylene waxes or Fischer- Tropsch waxes; or petrolatum paste.
  • fatty substances may be chosen in a varied manner by a person skilled in the art so as to prepare a composition having the desired properties, for example in terms of consistency or texture.
  • compositions of the invention may contain one or more adjuvants that are common in cosmetics and dermatology: hydrophilic or lipophilic gelling agents and/or thickeners; moisturizers; emollients; hydrophilic or lipophilic active agents; free-radical scavengers; sequestrants; antioxidants; preserving agents; acidifying or basifying agents; fragrances; film-forming agents; dyestuffs (pigments such as iron oxides and titanium dioxide, nacres, soluble dyes), and fillers; and mixtures thereof.
  • adjuvants that are common in cosmetics and dermatology: hydrophilic or lipophilic gelling agents and/or thickeners; moisturizers; emollients; hydrophilic or lipophilic active agents; free-radical scavengers; sequestrants; antioxidants; preserving agents; acidifying or basifying agents; fragrances; film-forming agents; dyestuffs (pigments such as iron oxides and titanium dioxide, nacres, soluble dyes
  • the amounts of these various adjuvants are those conventionally used in the fields under consideration.
  • the amounts of active agents vary according to the desired objective and are those conventionally used in the fields under consideration, and for example from 0.1 % to 20%, and preferably from 0.5% to 10% of the total weight of the composition.
  • Hydrophilic gelling agents that may be mentioned, for example, include carboxyvinyl polymers such as the Carbopol products (carbomers) and the Pemulen products (acrylate/C io _ C3o-alkylacrylate copolymer); polyacrylamides, for instance the crosslinked copolymers sold under the names Sepigel 305 (CTFA name: polyacrylamide/Ci3-i 4 isoparaffin/Laureth 7) or Simulgel 600 (CTFA name: acrylamide/sodium acryloyldimethyltaurate copolymer/isohexadecane/polysorbate 80) by the company SEPPIC; cellulose derivatives such as hydroxyethylcellulose; polysaccharides and especially gums such as xanthan gum; and mixtures thereof.
  • carboxyvinyl polymers such as the Carbopol products (carbomers) and the Pemulen products (acrylate/C io _ C3o-alkylacrylate copo
  • Lipophilic gelling agents that may be mentioned include modified clays such as hectorite and derivatives thereof, for instance the products sold under the name Bentone.
  • the composition according to the invention may also contain adjuvants that are common in the field under consideration, such as emulsifiers, lipophilic gelling agents, waxes, hydrophilic or lipophilic additives, preserving agents, antioxidants, solvents, fragrances, fillers, UVA and/or UVB screening agents (organic or mineral, soluble or insoluble), pigments, fibres, chelating agents, odour absorbers, dyestuffs and other cosmetic active agents.
  • the composition may contain other emulsifiers in addition to the gemini surfactant, in a proportion ranging from 0.1 % to 10% by weight, and preferably from 0.2% to 5% by weight relative to the total weight of the composition.
  • emulsifiers examples include dimethicone copolyols such as the mixture of cyclomethicone and of dimethicone copolyol sold under the name DC 5225 C by the company Dow Corning, and alkyl dimethicone copolyols such as the laurylmethicone copolyol sold under the name Dow Corning 5200 Formulation Aid by the company Dow Corning and the cetyl dimethicone copolyol sold under the name Abil EM 90® by the company Goldschmidt, or the mixture polyglyceryl-4 isostearate/cetyl dimethicone copolyol/hexyl laurate sold under the name Abil WE 09 by the company Goldschmidt.
  • dimethicone copolyols such as the mixture of cyclomethicone and of dimethicone copolyol sold under the name DC 5225 C by the company Dow Corning
  • co-emulsifiers may also be added thereto.
  • the co-emulsifier can advantageously be chosen from the group consisting of polyol alkyl esters. Mention may in particular be made, as polyol alkyl esters, of glycerol and/or sorbitan esters, for example polyglyceryl isostearate, such as the product sold under the name Isolan Gl 34 by Goldschmidt, sorbitan isostearate, such as the product sold under the name Arlacel 987 by ICI, sorbitan glyceryl isostearate, such as the product sold under the name Arlacel 986 by ICI, and mixtures thereof.
  • polyglyceryl isostearate such as the product sold under the name Isolan Gl 34 by Goldschmidt
  • sorbitan isostearate such as the product sold under the name Arlacel 987 by ICI
  • sorbitan glyceryl isostearate such as the product sold under the name Arlacel 9
  • O/W emulsions for example, as emulsifiers, of nonionic surfactants and in particular esters of polyols and of fatty acid having a saturated or unsaturated chain comprising, for example, from 8 to 24 carbon atoms and better still from 12 to 22 carbon atoms, and their oxyalkylenated derivatives, that is to say derivatives comprising oxyethylene and/or oxypropylene units, such as glyceryl esters of Cs-C2 4 fatty acid, and their oxyalkylenated derivatives; polyethylene glycol esters of Cs-C2 4 fatty acid, and their oxyalkylenated derivatives; sorbitol esters of Cs-C2 4 fatty acid, and their oxyalkylenated derivatives; fatty alcohol ethers; sugar ethers of Cs-C2 4 fatty alcohols, and mixtures thereof.
  • emulsifiers of nonionic surfactants and in particular esters of polyols and
  • glyceryl ester of fatty acid of glyceryl stearate (glyceryl mono-, di- and/or tristearate) (CTFA name: glyceryl stearate) or glyceryl ricinoleate, and mixtures thereof.
  • polyethylene glycol ester of fatty acid of polyethylene glycol stearate (polyethylene glycol mono-, di- and/or tristearate) and more especially polyethylene glycol 50 OE monostearate (CTFA name: PEG-50 stearate), polyethylene glycol 100 OE monostearate (CTFA name: PEG-100 stearate) and mixtures thereof.
  • polyethylene glycol ester of fatty acid of polyethylene glycol stearate (polyethylene glycol mono-, di- and/or tristearate) and more especially polyethylene glycol 50 OE monostearate (CTFA name: PEG-50 stearate), polyethylene glycol 100 OE monostearate (CTFA name: PEG-100 stearate) and mixtures thereof.
  • Use may also be made of mixtures of these surfactants, for instance the product comprising glyceryl stearate and PEG-100 stearate, sold under the name Arlacel 165 by Uniqema, and the product comprising glyceryl stearate (glyceryl mono/distearate) and potassium stearate, sold under the name Tegin by Goldschmidt (CTFA name: glyceryl stearate SE).
  • CTFA name glyceryl stearate SE
  • fatty alcohol ethers for example, of polyethylene glycol ethers of fatty alcohol comprising from 8 to 30 carbon atoms and in particular from 10 to 22 carbon atoms, such as polyethylene glycol ethers of cetyl alcohol, stearyl alcohol or cetearyl alcohol (mixture of cetyl alcohol and stearyl alcohol).
  • ethers comprising from 1 to 200 and preferably from 2 to 100 oxyethylene groups, such as those with the CTFA name Ceteareth- 20 or Ceteareth-30, and mixtures thereof.
  • sugar mono- or polyalkyl esters or ethers of methyl glucose isostearate, sold under the name Isolan-IS by Degussa Goldschmidt, or else sucrose distearate, sold under the name Crodesta F50 by Croda, and sucrose stearate, sold under the name Ryoto sugar ester S 1570 by Mitsubishi Kagaku Foods.
  • lipoamino acids and their salts such as monosodium and disodium acylglutamates, for instance monosodium stearoyl glutamate, sold under the name Amisoft HS-1 1 PF, and disodium stearoyl glutamate, sold under the name Amisoft HS-21 P, by Ajinomoto.
  • active agents include moisturizing agents, such as protein hydrolysates and polyols, for instance glycerol, glycols, for instance polyethylene glycols; natural extracts; anti-inflammatory agents; oligomeric proanthocyanidins; vitamins such as vitamin A (retinol), vitamin E (tocopherol), vitamin B5 (panthenol), vitamin B3 (niacinamide), derivatives of these vitamins (in particular esters) and mixtures thereof; urea; caffeine; depigmenting agents such as kojic acid, hydroquinone and caffeic acid; salicylic acid and derivatives thereof; a- hydroxy acids, such as lactic acid and glycolic acid and derivatives thereof; retinoids, such as carotenoids and vitamin A derivatives; hydrocortisone; melatonin; extracts of algae, of fungi, of plants, of yeasts, of bacteria; steroids; antibacterial active agents, such as 2,4,4
  • compositions according to the invention may be in the form of emulsions of liquid or semi-liquid consistency of milk type for example, obtained by dispersing a fatty phase in an aqueous phase (O/W) or conversely (W/O), or suspensions or emulsions of soft, semi-solid or solid consistency of the cream or gel type, or alternatively multiple emulsions (W/O/W or O/W/O), microemulsions, vesicular dispersions of ionic and/or nonionic type, or wax/aqueous phase dispersions.
  • O/W aqueous phase
  • W/O aqueous phase
  • W/O aqueous phase
  • suspensions or emulsions of soft, semi-solid or solid consistency of the cream or gel type or alternatively multiple emulsions (W/O/W or O/W/O), microemulsions, vesicular dispersions of ionic and/or nonionic type, or wax/aqueous
  • the composition is in the form of an O/W emulsion.
  • compositions used according to the invention may be more or less fluid and may have the appearance of a gel, a white or coloured cream, an ointment, a milk, a lotion, a serum, a paste or a mousse.
  • the composition preferably exhibits a skin-friendly pH which generally ranges from 3 to 8 and preferably from 4.5 to 7.
  • Example 1 Moisturizing O/W emulsions
  • Hydrogenated polyisobutene 4 4 (Parleam from NOF Corporation)
  • compositions were evaluated by 10 individuals who applied each product to the back of their hands.
  • composition A according to the invention was judged as being more glidant on application and softer after penetration of the product into the skin, when compared with composition B.
  • Example 2
  • composition A according to the invention was judged as being more glidant on application and softer after penetration of the product into the skin, when compared with composition B.

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Abstract

La présente invention concerne une composition cosmétique, en particulier sous forme d'émulsion, comprenant au moins un silane et au moins un tensioactif gemini, en particulier de formule (I), dans laquelle : - R1 et R3 désignent, indépendamment l'un de l'autre, un radical alkyle ayant de 1 à 25 atomes de carbone ; - R2 désigne un espaceur constitué d'une chaîne alkylène linéaire ou ramifiée ayant de 1 à 12 atomes de carbone ; - X et Y désignent, indépendamment l'un de l'autre, un groupe -(C2H4O)a-(C3H6O)bZ, dans lequel · Z désigne un atome d'hydrogène ou un radical -CH2-COOM, -SO3M, -P(O)(OM)2, -C2H4-SO3M, -C3H6-SO3M ou -CH2(CHOH)4CH2OH, où M et M' représentent H ou un métal alcalin ou métal alcalino-terreux ou ion ammonium ou alcanolammonium, · a est dans la plage de 0 à 15, · b est dans la plage de 0 à 10, et · la somme de a + b est dans la plage de 1 à 25 ; et · n est dans la plage de 1 à 10.
PCT/EP2013/058521 2012-04-26 2013-04-24 Composition comprenant un silane et un tensioactif gemini WO2013160364A1 (fr)

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FR1253864A FR2989886B1 (fr) 2012-04-26 2012-04-26 Composition comprenant un silane et un tensioactif gemine
US201261674622P 2012-07-23 2012-07-23
US61/674,622 2012-07-23

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FR3042707A1 (fr) * 2015-10-22 2017-04-28 Oreal Composition aqueuse comprenant un organosilane ou un oligomere dudit organosilane et un pigment enrobe hydrophobe
WO2023123196A1 (fr) * 2021-12-30 2023-07-06 L'oreal Composition d'huiles pour le soin des matières kératiniques

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3042707A1 (fr) * 2015-10-22 2017-04-28 Oreal Composition aqueuse comprenant un organosilane ou un oligomere dudit organosilane et un pigment enrobe hydrophobe
WO2023123196A1 (fr) * 2021-12-30 2023-07-06 L'oreal Composition d'huiles pour le soin des matières kératiniques

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FR2989886A1 (fr) 2013-11-01

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