JP6110135B2 - Oily solid lip cosmetic - Google Patents

Description

  The present invention relates to an oily solid lip cosmetic containing a specific amount of polyethylene wax, a specific amount of phenyl-modified silicone oil, and a specific amount of heavy liquid isoparaffin and / or polybutene. The present invention relates to an oily solid lip cosmetic having excellent stability.

  Conventionally, oily solid lip cosmetics are composed of solid oil and liquid oil as a main skeleton, and in order to obtain various feelings of use and cosmetic effects, these blending amounts and components have been studied. For example, liquid oils have been combined with a wide variety of liquid oils such as hydrocarbons, esters, alcohols, and silicones in order to obtain a glossy feeling, a smooth feeling of use, a moisturizing feeling, and a feeling of adhesion. . And in order to harden these, solid oil has also been used combining various things. In particular, in order to make it into a solid state, the solid oil and the liquid oil are not compatible with each other, and those that do not become a solid state or a state in which the liquid oil appears over time on the surface of the cosmetic (perspiration) In order to improve these problems, solid oils and methods for preventing sweating have been studied. (For example, see Patent Documents 1 and 2)

Japanese Patent Laid-Open No. 3-176411 JP 2004-83502 A

  However, it can be applied smoothly even at low temperatures, and it will not collapse even when applied at a high temperature such as 40 ° C. Furthermore, the shape should be maintained even at a high temperature such as 60 ° C as in a midsummer car. Was very difficult.

  Under such circumstances, the inventors of the present invention have conducted intensive studies to solve the above problems, and as a result, have obtained a specific amount of polyethylene wax, a specific amount of phenyl-modified silicone oil, a specific amount of heavy liquid isoparaffin and / or polybutene. By containing, it discovered that the oil-based solid lip cosmetics which were excellent in temporal stability with respect to low temperature and high temperature were obtained, and it came to complete this invention.

That is, the present invention provides the following components (a) to (c);
(A) 4-8% by mass of polyethylene wax
(B) 10-50 mass% of phenyl-modified silicone oil
(C) 10-50 mass% of heavy liquid isoparaffin and / or polybutene
Thus, an oily solid lip cosmetic having excellent stability over time at low and high temperatures is provided.

  The oily solid lip cosmetic of the present invention can be applied smoothly even at low temperatures, and does not collapse even when applied at a high temperature such as 40 ° C. Further, it maintains its shape even at a high temperature such as 60 ° C. It is excellent in stability over time against temperature changes.

  The component (a) polyethylene wax used in the present invention is an even-numbered hydrocarbon obtained by polymerization of ethylene or thermal decomposition of polyethylene, and gives appropriate viscosity and shape retention to oily solid cosmetics such as lipsticks. I can do it.

  As the polyethylene wax of component (a) used in the present invention, any polyethylene wax can be used as long as it is usually used in cosmetics, but those having a melting point of 75 to 120 ° C. are preferred. From the smooth feeling of use, the melting point is more preferably from 80 to 110 ° C., and particularly by using 80 to 100 ° C., it is possible to obtain an oily solid lip cosmetic that further improves the gloss feeling. Examples of commercially available products include PERFORMALENE 500, PERFORMALENE 655, PERFORMALENE 725, PERFORMALENE 850 (all manufactured by New Phase Technology), Lipwax A-4 (manufactured by Nippon Natural Products), and the like. Moreover, these can use 1 type (s) or 2 or more types as needed.

  The content of the component (a) used in the present invention is 4 to 8% by mass (hereinafter simply referred to as “%”) in the oily solid lip cosmetic, preferably 4.5 to 6.5%. If the content is less than 4%, the hardness is low, so that the coating tends to collapse at a high temperature, and if it exceeds 8%, it may be hard and cannot be applied smoothly at a low temperature.

  The component (b) phenyl-modified silicone used in the present invention is a generic term for a silicone oil having a phenyl group and liquid at 25 ° C., and any one that is usually used in cosmetics should be used. Can do. Examples thereof include those known by names such as diphenyldimethicone, diphenylsiloxyphenyltrimethicone, phenyltrimethicone, trimethylpentaphenyltrisiloxane, and bisphenylpropyldimethicone. Examples of commercially available products are KF-56A (manufactured by Shin-Etsu Chemical Co., Ltd .; diphenylsiloxyphenyl trimethicone), SH556 (manufactured by Toray Dow Corning Silicone Co., Ltd .; phenyl trimethicone), PH-1555 HRI COSMETIC FLUID (Toray Dow Corning Silicone; trimethylpentaphenyltrisiloxane), SF1555 (Momentive Performance Materials Japan GK; bisphenylpropyl dimethicone), and the like. Moreover, these can use 1 type (s) or 2 or more types as needed.

  The content of the component (b) phenyl-modified silicone oil used in the present invention is 10 to 50%, preferably 15 to 40% in the oily solid lip cosmetic. If the content is less than 10%, the hardness is low, so that it tends to collapse at the time of application at a high temperature, and if it exceeds 50%, it may be hard and cannot be applied smoothly at a low temperature.

The component (c) heavy fluid isoparaffin and / or polybutene heavy fluid isoparaffin used in the present invention is a mixture of hydrocarbons having side chains. For example, after copolymerization of isobutene and n-butene, The mixture obtained by adding is mentioned, What deodorized the hydrogenated polybutene (isoparaffin) can be used. Polybutene is a copolymer of isobutene. For example, polybutene obtained by polymerizing isobutene (C4 gas) using a catalyst can be used.
These heavy liquid isoparaffins and polybutenes can preferably be used in paste form at room temperature with a number average molecular weight of 900 to 5000. When the number average molecular weight is 900 to 5000, they are excellent in gloss and change with time and temperature. It is preferable in terms of stability.
Examples of commercially available heavy liquid isoparaffins include Pearl Ream 18 (number average molecular weight 1000), Pearl Ream 24 (number average molecular weight 1350), Pearl Ream 46 (number average molecular weight 2650) (both manufactured by NOF Corporation) and the like. Examples of the polybutene include Idemitsu polybutene 2000H (number average molecular weight 2900), Idemitsu polybutene 300H (number average molecular weight 1330) (both manufactured by Idemitsu Kosan Co., Ltd.), and purified polybutene HV-100F (SB) (number average molecular weight 940) (Japan) Natural products).

The component (c) heavy liquid isoparaffin or polybutene can be used singly or in combination of two or more as required, and the viscosity of the component (c) is not particularly limited, but at 20 ° C. A viscosity of 20,000 to 200,000 mPa · s is excellent in gloss and is preferable in terms of stability due to aging and temperature change.

  The content of the component (c) used in the present invention is 10 to 50%, preferably 15 to 40% in the oily solid lip cosmetic. If the content is less than 10%, the shape cannot be maintained at a high temperature, and if it exceeds 50%, the elongation becomes heavy and stickiness occurs, which is inferior in terms of a smooth feeling of use.

  Furthermore, it is preferable that the content of component (b) and component (c) is 30% or more. If the content of component (b) and component (c) is less than 30%, the shape may not be maintained at high temperatures.

Moreover, in this invention, the feel at the time of application | coating can be adjusted by containing an oil agent other than component (a), (b), (c). The oil agent used here can be used without particular limitation as long as it is an oil component that is usually used in cosmetics. The origin of animal oil, vegetable oil, synthetic oil, etc., and the properties of semi-solid oil, liquid oil, volatile oil, etc. Regardless of, hydrocarbons, fats and oils, ester oils, fatty acids, higher alcohols, silicone oils, fluorine-based oils, lanolin derivatives, oil gelling agents, and the like can be used. Specifically, liquid paraffin, α-olefin oligomer, squalane, petrolatum hydrocarbons, olive oil, castor oil, mink oil, macadamian nut oil and other oils, cetyl isooctanoate, isopropyl myristate, isopropyl palmitate, Octyldodecyl myristate, neopentyl glycol dioctanoate, cholesterol fatty acid esters, jojoba oil and other esters, isostearic acid, oleic acid and other fatty acids, oleyl alcohol, isostearyl alcohol and other higher alcohols, low degree of polymerization dimethylpolysiloxane , High degree of polymerization dimethylpolysiloxane, methylphenylpolysiloxane, decamethylcyclopentasiloxane, octamethylcyclotetrasiloxane, cross-linked organopolysiloxane, fluorine-modified polysiloxane Silicone oils such as sun, fluorinated oils such as perfluorodecane, perfluorooctane, perfluoropolyether, lanolin derivatives such as lanolin, lanolin acetate, lanolin fatty acid isopropyl, lanolin alcohol, sucrose stearate, Examples thereof include oil gelling agents such as sugar palmitic acid ester, 12-hydroxystearic acid, octanoic acid dextrin, palmitic acid dextrin, stearic acid dextrin, and (palmitic acid / octanoic acid) dextrin.

  In the oily solid lip cosmetic of the present invention, various components other than the above components, for example, powders, surfactants, ultraviolet absorbers, humectants, aqueous components, as necessary, within a range that does not impair the effects of the present invention. Antioxidants, cosmetic ingredients, preservatives, water-soluble polymers, film-forming agents, anti-fading agents, antifoaming agents, fragrances, and the like can be appropriately blended in order to impart various effects.

  The powder may be any powder as long as it is usually used in cosmetics, plate-like, spindle-like, needle-like, etc., fumes, fine particles, pigment grades, etc., porous, non-porous It is not particularly limited by the particle structure such as quality, and examples thereof include inorganic powders, glitter powders, organic powders, pigment powders, and composite powders. Specifically, conch, ultramarine, bengara, yellow iron oxide, black iron oxide, titanium oxide, zinc oxide, aluminum oxide, cerium oxide, magnesium oxide, zirconium oxide, magnesium carbonate, calcium carbonate, chromium oxide, chromium hydroxide, Carbon black, aluminum silicate, magnesium silicate, magnesium aluminum silicate, mica, synthetic mica, synthetic sericite, sericite, talc, kaolin, silicon carbide, barium sulfate, boron nitride and other inorganic powders, bismuth oxychloride Mica titanium, iron oxide treated mica, iron oxide treated mica titanium, organic pigment treated mica titanium, silicon dioxide / titanium oxide coated mica, titanium oxide treated glass powder, iron oxide titanium oxide treated glass powder, aluminum powder, etc. Body, magnesium stearate, stearic acid Organic powders such as lead, N-acyl lysine and nylon, organic tar pigments, pigment powders such as organic pigment lake pigments, fine particle titanium oxide coated mica titanium, fine particle zinc oxide coated mica titanium, barium sulfate coated mica titanium Composite powders such as titanium dioxide containing silicon dioxide and zinc oxide containing silicon dioxide, polyethylene terephthalate / aluminum / epoxy laminated powder, polyethylene terephthalate / polyolefin laminated film powder, polyethylene terephthalate / polymethyl methacrylate laminated film powder, silicic anhydride, etc. Can be mentioned.

The surfactant is not particularly limited as long as it is a surfactant generally used in cosmetics, and nonionic surfactants, anionic surfactants, cationic surfactants, amphoteric surfactants and the like are used. Furthermore, examples of the ultraviolet absorber include benzophenone-based, PABA-based, cinnamic acid-based, salicylic acid-based ultraviolet absorbers, 4-tert-butyl-4′-methoxydibenzoylmethane, oxybenzone, and the like. Examples of the agent include protein, mucopolysaccharide, collagen, elastin, keratin and the like.
In addition, the aqueous component can be used for the purpose of imparting a moisture effect, and any component that is soluble in water and water may be used. In addition to water, for example, propylene glycol, 1,3 butylene glycol, dipropylene Examples include glycols such as glycol and polyethylene glycol, glycerols such as glycerin, diglycerin, and polyglycerin, and plant extracts such as aloe vera, witch hazel, hamamelis, cucumber, lemon, lavender, and rose.
Examples of the antioxidant include α-tocopherol and ascorbic acid, examples of the beauty component include vitamins, anti-inflammatory agents and herbal medicines, and examples of the antiseptic include paraoxybenzoate ester and phenoxyethanol.

  The method for producing the oily solid lip cosmetic of the present invention is not particularly limited. For example, components (a) to (c) dissolved at 110 ° C., and other liquid oils or oil gels as necessary. After mixing the oily component containing the agent with other components, and then roller-treating, heat-dissolve at 100-110 ° C, fill the container at 90-100 ° C, and cool at room temperature to -20 ° C. Can be obtained.

In the present invention, the oily solid lip cosmetic is a cosmetic substantially free of water having a continuous phase of an oily component that is a solid oil agent or an oil-soluble compound. Examples of the oily solid lip cosmetic of the present invention include lip balm, lipstick, gloss, lip treatment, and lip base.
In addition, the shape includes sticks, glass or plastic jars, or those filled in metal pans, but in the case of sticks, in order to further improve stability at low and high temperatures, Patent No. It is preferable to use a container described in Japanese Patent No. 4177864 or Japanese Patent No. 4912277, and the container is not limited to the above patent as long as it has a similar mechanism. That is, the oily solid lip cosmetic is closely loaded in the container filling member, and is fed out from the opening at the front end of the container by the advance of the extrusion part, and the extrusion part and the oily solid lip cosmetic are contained in the container filling member. It is preferable to use a container characterized in that an oily solid lip cosmetic is drawn back into the container filling member by the suction action due to the retraction of the extrusion part while maintaining the close contact state.

  The present invention will be described in more detail with reference to the following examples. In addition, these do not limit this invention at all.

(Examples 1 to 15 and Comparative Examples 1 to 11) Lipstick Lipsticks were produced by the formulations shown in Tables 1 to 3 and the production method shown below. About each obtained sample, the smoothness at the time of application | coating at 4 degreeC and the non-disintegration at the time of application | coating at 40 degreeC were evaluated by sensory evaluation. The temperature at which the shape collapses was measured by the following measurement method. These results are also shown in Tables 1 to 3.

* 1: Lipwax A-4 (Nippon Natural Products, Inc .; melting point 94 ° C. to 96 ° C.)
* 2: PH-1555 HRI COSMETIC FLUID (made by Toray Dow Corning Silicone)
* 3: Pearl Dream 24 (Nippon Yushi Co., Ltd.)
* 4: Idemitsu Polybutene 2000H (food additive grade) (Idemitsu Kosan Co., Ltd.)
* 5: Pearl Ream EX (Nippon Yushi Co., Ltd.)
* 6: Cosmall 43V (Nisshin Oillio Group)
* 7: Ozochelite wax SP-1020P (manufactured by Strahl & Pitsch Inc .; melting point 73 ° C. to 76 ° C.)
* 8: HNP-9 (Nippon Seiwa Co., Ltd .; melting point: 74 ° C to 77 ° C)
* 9: Refined carnauba wax 1 (manufactured by Celerica Noda; melting point 80 ° C to 86 ° C)
* 10: KF-96A-10cs (10 mm ² / s) (manufactured by Shin-Etsu Chemical Co., Ltd.)
* 11: CARNATION (SONNEBORN. IMC.)

(Production method)
A to C were heated and mixed at 95 to 100 ° C., defoamed, filled into a container described in Japanese Patent No. 4177864 at 95 to 100 ° C., and cooled and solidified at room temperature to obtain a lipstick.

(Evaluation)
1. Sensory evaluation (1) A smoothness of use when applied at 4 ° C and (2) No collapse when applied at 40 ° C, a panel test was conducted by 10 specialist panels. Each stage was evaluated and scored, and the average value was calculated from the total score of all panel members for each sample, and judged according to the following four-stage criteria.
(Evaluation method)
Each sample is applied to the lips by 10 sensory test panels, and each panel evaluates the following evaluation items in 7 levels by absolute evaluation. Judged by.
(Evaluation item)
(1) Smooth usability when applied at 4 ° C (2) No collapse when applied at 40 ° C (absolute evaluation)
(Score): (Evaluation)
6: Very good 5: Good 4: Somewhat good 3: Normal 2: Somewhat bad 1: Bad 0: Very bad (judgment criteria)
(Average score) (Judgment)
Exceeding 5 points: Excellent: ◎
Over 3 points and under 5 points: Excellent: ○
Over 1 point and 3 points or less: Inferior: △
1 point or less: Very inferior: ×

2. Measurement of the temperature at which the shape of the lipstick collapses (3) About the measurement of the temperature at which the shape collapses, a temperature / humidity controller (model AGX-325 manufactured by Toyo Seisakusho Co., Ltd.) is used. The temperature at which the shape collapsed was measured by raising the temperature in degrees Celsius.

  Table 1 shows that when the content of polyethylene wax is 4% or more, there is no collapse at the time of coating at 40 ° C., and the shape can be maintained even at a high temperature of 60 ° C. or more. When the content of the polyethylene wax is less than 4%, deformation occurs at the time of coating at 40 ° C., and the shape collapses at a temperature lower than 60 ° C. If it exceeds 8%, the smooth feeling during application is lost at 4 ° C.

Table 2 shows that when the content of the phenyl-modified silicone is 10% or more, there is no collapse at the time of application at 40 ° C., and the shape can be maintained even at a high temperature of 60 ° C. or more. When the content of the phenyl-modified silicone is less than 10%, collapse occurs at the time of coating at 40 ° C., and the shape collapses at a temperature lower than 60 ° C. When the content of the phenyl-modified silicone is more than 50%, a smooth feeling during application is lost at 4 ° C.
Furthermore, it was shown that when the content of heavy liquid isoparaffin and / or polybutene is 10% or more, there is no collapse at the time of coating at 40 ° C., and the shape can be maintained even at a high temperature of 60 ° C. or higher. If the content of heavy liquid isoparaffin and / or polybutene is less than 10%, deformation occurs at the time of application at 40 ° C., and the shape decreases at a temperature lower than 60 ° C. When the content of heavy liquid isoparaffin and / or polybutene is more than 50%, the smooth use feeling at the time of coating is lost at 4 ° C.

In Table 3, when other waxes are used instead of polyethylene wax, the smooth use feeling at the time of application at 4 ° C is lost, the collapse occurs at the time of application at 40 ° C, and the shape is lower than 60 ° C. Collapse.
Further, when dimethylpolysiloxane is used instead of phenyl-modified silicone, lipstick is separated and cannot be prepared.
Further, when liquid isoparaffin and / or liquid paraffin is used instead of heavy liquid isoparaffin and / or polybutene, collapse occurs at the time of coating at 40 ° C., and the shape collapses at a temperature lower than 60 ° C.

Example 16: Sunscreen lip reaming (gold plate molding)
(Ingredient) (%)
1. Polyethylene wax * 12 7
2. Phenyl-modified silicone * 13 25
3. Heavy liquid isoparaffin * 14 30
4). Squalane 10
5. Diisostearyl malate * 15 10
6). 6. Diglyceryl triisostearate * 6 Remaining amount 2-Ethylhexyl paramethoxycinnamate * 16 7
8). Fragrance 0.05
* 12: PERFORMOLE 500 (manufactured by New Phase Technology)
* 13: KF-56A (Shin-Etsu Chemical Co., Ltd.)
* 14: Pearl Dream 18 (Nippon Yushi Co., Ltd.)
* 15: Cosmall 222 (Nisshin Oillio Group)
* 16: NOMCOAT TAB (Nisshin Oillio Group)
(Production method)
Components 1 to 8 were heated and mixed at 95 to 100 ° C., defoamed, filled into a metal pan (made of aluminum) at 95 to 100 ° C., and cooled and solidified to obtain a sunscreen lip balm.

  About Example 16, as a result of evaluating similarly to the evaluation method used in Examples 1-15, it can apply | coat smoothly even at low temperature, and does not collapse at the time of application | coating at high temperature, Furthermore, at high temperature like 60 degreeC Even if it was, it was a sunscreen lip remedy that was excellent in stability over time with respect to temperature changes that could maintain its shape.

Example 17: Lipstick (glass molding)
(Ingredient) (%)
1. Polyethylene wax * 1 5.5
2. Microcrystalline wax * 17 1
3. Phenyl-modified silicone * 2 10
4). Phenyl-modified silicone * 18 15
5. Heavy liquid isoparaffin * 14 20
6). Heavy liquid isoparaffin * 19 5
7). Squalane 10
8). Isotridecyl isononanoate * 20 15
9. Diglyceryl triisostearate * 6 Remaining amount 10. Bengala-coated mica titanium 8
11. Red 202 0.2
12 Yellow No.4 0.1
13. Silica * 21 1
14 Fragrance 0.1
* 17: MULTIWAX W445 (made by SONNEBORN.IMC.)
* 18: SH556 (manufactured by Toray Dow Corning Silicone Co., Ltd.)
* 19: Pearl Ream 46 (Nippon Yushi Co., Ltd.)
* 20: KAK 139 (manufactured by Higher Alcohol Industry)
* 21: Soot particle silica P-1500 (manufactured by JGC Catalysts & Chemicals)
(Production method)
Components 1 to 13 were heated and mixed at 95 to 100 ° C., defoamed, filled in a glass jar at 95 to 100 ° C., and cooled and solidified to obtain a lipstick.

  About Example 17, as a result of evaluating similarly to the evaluation method used in Examples 1-15, it can apply | coat smoothly even at low temperature, and does not collapse at the time of application | coating at high temperature, Furthermore, it is high temperature like 60 degreeC. Even if it was, it was a lipstick with excellent temporal stability against temperature changes that could maintain its shape.

Example 18: Lip gloss (molded in a polyethylene container)
(Ingredient) (%)
1. Polyethylene wax * 22 4.5
2. Dextrin palmitate 0.3
3. Phenyl-modified silicone * 13 20
4). Heavy liquid isoparaffin * 14 35
5. Polybutene * 23 10
6). Vaseline 5
7). Squalane 5
8). Diisostearyl malate * 15 10
9. Diglyceryl triisostearate * 6 Remaining amount 10. Fragrance 0.05
* 22: PERFORMOLE 655 (manufactured by New Phase Technology)
* 23: Idemitsu Polybutene 300H (made by Idemitsu Kosan Co., Ltd.)
(Production method)
Components 1 to 10 were heated and mixed at 95 to 100 ° C., defoamed, filled into a polyethylene container at 95 to 100 ° C., and cooled and solidified to obtain a lip gloss.

  About Example 18, as a result of evaluating similarly to the evaluation method used in Examples 1 to 15, it was possible to apply smoothly even at low temperatures, and did not collapse when applied even at high temperatures, and at a high temperature such as 60 ° C. Even if it was, it was a lip gloss excellent in stability over time with respect to a temperature change capable of maintaining the shape.

Example 19: Lip base (molding)
(Ingredient) (%)
1. Polyethylene wax * 1 8
2. Paraffin * 8 0.5
3. Phenyl-modified silicone * 13 20
4). Heavy liquid isoparaffin * 14 20
5. Liquid paraffin * 11 Remaining amount 6. Diisostearyl malate * 15 10
7). Isotridecyl isononanoate * 20 20
8). Dimethylsilylated silica * 24 1
9. Red 202 0.1
10. Yellow No.4 0.2
11. Titanium oxide 0.1
12 Black iron oxide 0.01
13. Fragrance 0.05
* 24: AEROSIL R976 (Nippon Aerosil Co., Ltd.)
(Production method)
Components 1 to 13 were heated and mixed at 95 to 100 ° C., defoamed, filled into a metal dish container at 95 to 100 ° C., and cooled and solidified to obtain a lip base.

About Example 19, as a result of evaluating similarly to the evaluation method used in Examples 1 to 15,
It was a lip foundation that was able to be applied smoothly even at low temperatures, and did not break down even when applied at high temperatures, and also maintained in shape even at high temperatures such as 60 ° C. .

  The oily solid cosmetic of the present invention contains a specific amount of polyethylene wax, a specific amount of phenyl-modified silicone oil, and a specific amount of heavy liquid isoparaffin and / or polybutene, thereby improving the stability over time at low and high temperatures. An excellent oily solid lip cosmetic is obtained.

Claims (3)

The following components (a) to (c);
(A) 4.5 to 6.5% by mass of polyethylene wax
(B) 10-25% by mass of phenyl-modified silicone oil
(C) 15-40% by weight of heavy liquid isoparaffin and / or polybutene
(A) The oily solid lip cosmetic characterized in that the content of wax other than polyethylene wax is 1% by mass or less, and the temperature at which the shape collapses is 60 ° C. or more. (However, those containing non-volatile non-phenyl-modified silicone oil are excluded. Non-volatile non-phenyl-modified silicone oil has a non-zero vapor pressure at room temperature and atmospheric pressure, and is 0.02 mmHg (2.66 Pa). Means oil that is less than.)   The oily solid lip cosmetic according to claim 1, wherein the heavy liquid isoparaffin and / or polybutene of component (c) has a viscosity at 20 ° C of 20,000 to 200,000 mPa · s.   The oily solid lip cosmetic according to claim 1 or 2, wherein the total content of component (b) and component (c) is 30% by mass or more.