Stick-type oily solid cosmetics

Abstract

To provide stick-like oil-based solid cosmetics that can be used as eye shadow, eyeliner, mascara, lip color, concealer, hair foundation, shading or the like.SOLUTION: Stick-like oil-based solid cosmetics contain (A) dimethyl silicone with an average kinematic viscosity of 15 mm2 / s (25°C) or less, (B) hydrocarbon oil with an average kinematic viscosity of 30 mm2 / s (37.8°C) or less, and (C) at least one of (C-1) a silicone elastomer with a hardness (type A durometer hardness described in JIS K6253) of 40 or less or (C-2) a silicone elastomer with a solid content of 10-30 mass%.SELECTED DRAWING: None

Description

[Technical Field]

[0001] The present invention relates to a stick-shaped oily solid cosmetic that can be used as eye shadow, eyeliner, mascara, lip color, concealer, hair foundation, shading, etc. [Background technology]

[0002] Among oil-based solid cosmetics such as lipstick, matte type products are used. Patent Document 1 discloses a matte lipstick composition containing at least one structuring agent, at least one oil, at least one colorant, and at least one specific filler as a matting agent, wherein the specific filler acting as a matting agent is 30 ml 2 The invention is described (claimed) as a matte lipstick composition in which particles selected from particles having a specific surface area of ​​less than 1 / g. The invention describes an object of providing a lipstick that has a matte, intense color appearance and a uniform, light texture that lasts for a long period of time (paragraph 0005).

[0003] Patent Document 2 discloses a composition comprising a component (A) consisting of a partially crosslinked organopolysiloxane polymer containing a long-chain alkyl group, and a component (B) consisting of R2SiO units and RSiO1.5 units, 0.5 The invention describes a makeup cosmetic containing component (B) consisting of a partially crosslinked organopolysiloxane polymer other than component (A), which may contain SiO2 units and / or SiO2 units; component (C) consisting of a silicone oil; component (D) consisting of one or more liquid oils selected from the group consisting of hydrocarbon oils and / or ester oils; and component (E) consisting of a powder (claims). It is described as having a non-sticky, refreshing feel, a soft touch, and elasticity, while also being water-resistant, sebum-resistant, and impact-resistant. Furthermore, since it can be compression-molded onto a metal or synthetic resin dish, it can be set into a compact container, and various colors can be used together, making it simple and convenient (paragraph 0077).

[0004] Patent Document 3 describes (in the claims) an invention of a cosmetic composition, preferably for making up and / or caring for lips, which comprises at least one organopolysiloxane elastomer carried in a first oil, at least one volatile or non-volatile non-phenyl silicone oil, at least one non-polar hydrocarbon-based compound that is liquid or solid at room temperature, and at least one pasty fatty substance. [Prior art documents] [Patent documents]

[0005] [Patent Document 1] Special Publication No. 2020-536073 [Patent Document 2] Patent No. 5085323 [Patent Document 3] Special Publication No. 2017-500350 Summary of the Invention [Problem to be solved by the invention]

[0006] The present invention aims to provide a stick-shaped oily solid cosmetic that has good moldability, is easy to apply, and leaves a matte finish after use. [Means for solving the problem]

[0007] The present invention provides a method for producing a medicament for a medical device, comprising: (A) an average kinematic viscosity of 15 mm; 2 / s (25 ° C) or less, (B) Average kinematic viscosity is 30 mm 2 / s (37.8 ° C) or less hydrocarbon oil, (C) Provided is a stick-shaped oily solid cosmetic preparation containing at least one of (C-1) a silicone elastomer having a hardness (Type A durometer hardness as defined in JIS K6253) of 40 or less and (C-2) a silicone elastomer having a solid content of 10 to 30 mass %. [Effects of the Invention]

[0008] The stick-shaped oily solid cosmetic preparation of the present invention has good moldability, is easy to apply, and has a good matte finish after use. DETAILED DESCRIPTION OF THE INVENTION

[0009] Component (A) has an average kinematic viscosity of 15 mm 2 / s (25°C) or less. Two or more types of dimethyl silicone with different kinematic viscosities can be used as component (A). In this case, the average kinematic viscosity of the dimethyl silicones with different kinematic viscosities used must be 15 mm 2 It is fine as long as it is less than / s. The average kinematic viscosity of component (A) is 5 to 15 mm 2 / s range is preferred, 8 to 12 mm 2 / s range is more preferable.

[0010] Component (B) has an average kinematic viscosity of 30 mm 2 / s (37.8℃) or less. Two or more hydrocarbon oils with different kinematic viscosities may be used as component (B). In this case, the average kinematic viscosity of the hydrocarbon oils with different kinematic viscosities used must be 30 mmHg or less. 2 It is fine as long as it is less than / s. The average kinematic viscosity of component (B) is 5 to 30 mm 2 / s range is preferred, 5 to 25 mm 2 / s range is more preferable. Examples of the hydrocarbon oil of component (B) include isohexadecane, hydrogenated polybutene, hydrogenated polyisobutene, squalane, and mineral oil.

[0011] The component (C) is at least one of (C-1) a silicone elastomer having a hardness (type A durometer hardness according to JIS K6253) of 40 or less, or (C-2) a silicone elastomer having a solid content of 10 to 30 mass %. When component (C) is (C-1) a silicone elastomer having a hardness of 40 or less, the hardness is preferably 20-40, and more preferably 25-35. When component (C) is (C-2) a silicone elastomer having a solid content of 10 to 30% by mass, the solid content is preferably 15 to 26% by mass. The component (C) can be either or both of the component (C-1) and the component (C-2). However, when the components (C-1) and (C-2) are used in combination, the solid content of the component (C-2) is preferably 20% by mass or more in order to maintain the stability of the appearance. Examples of the (C) component include (C-1) dimethicone / vinyl dimethicone crosspolymer (powder, hardness 30), and (C-2) dimethicone / vinyl dimethicone crosspolymer / dimethicone (gel, solids content 24% by mass), polysilicone-11 / dimethicone (gel, solids content 25% by mass), and cetearyl dimethicone crosspolymer / dimethicone (gel, solids content 17% by mass). Component (C-1) is preferably in powder form, and component (C-2) is preferably in gel form.

[0012] The contents of components (A) to (C) in the stick-type oily solid cosmetic preparation are as follows, when the total of components (A), (B), and (C) is 100% by mass: The content of the component (A) is preferably 30 to 85 mass%, more preferably 35 to 80 mass%, and even more preferably 40 to 75 mass%, The content of the (B) component is preferably 10 to 30 mass%, more preferably 13 to 26 mass%, and even more preferably 15 to 25 mass%, The content of component (C) is preferably 5 to 50 mass %, more preferably 7 to 45 mass %, and even more preferably 10 to 40 mass %.

[0013] The stick-shaped oily solid cosmetic preparation may further contain one or both of the organically modified clay mineral or hydrophobized fumed silica as component (D) and spherical cellulose as component (E). Examples of the organically modified clay mineral of component (D) include disteardimonium hectorite, stearalkonium hectorite, stearalkonium bentonite, etc. The organically modified clay mineral of component (D) is used together with an organic solvent selected from propylene carbonate, 1,2-hexanediol, etc.

[0014] The hydrophobic fumed silica of component (D) is fumed silica that has been surface-treated with various treatment agents, such as dimethyldichlorosilane, trimethylchlorosilane, silicone oil, dimethylsilicone oil, hexamethyldisilazane, octylsilane, hexadecylsilane, aminosilane, methacrylsilane, octamethylcyclotetrasiloxane, and polydimethylsiloxane.

[0015] The hydrophobic fumed silica of component (D) is The primary particle size (measurement method: average value of 3000 to 5000 particles measured by electron micrograph) is preferably in the range of 0.5 to 50 nm, more preferably 1 to 30 nm, The specific surface area (measured by BET adsorption method) is preferably 50 to 500 m 2 / g, more preferably 60 to 300m 2 / g, The apparent specific gravity is preferably in the range of 20 to 150 g / L, more preferably 30 to 100 g / L. As such hydrophobic fumed silica (component D), product names such as "AEROSIL R972V," "AEROSIL R812," and "AEROSIL RY200L," available from Nippon Aerosil Co., Ltd., can be used. The content of component (D) in the stick-type oily solid cosmetic is preferably 0.1 to 1.4 parts by mass, and more preferably 0.3 to 0.9 parts by mass, per 100 parts by mass of the total of components (A) to (C).

[0016] As the spherical cellulose of component (E), cellulose acetate can be preferably used in addition to cellulose. The spherical cellulose of component (E) preferably has an average particle size of 3 μm to 10 μm, more preferably 4 μm to 8 μm. The spherical cellulose of component (E) is preferably a true sphere, and the term "true sphere" means that the cellulose exhibits an approximately perfect circle when projected and viewed from any direction, and the minimum particle size is 80% or more, more preferably 90% or more, of the maximum particle size. The content of component (E) in the stick-type oily solid cosmetic is preferably 1 to 25 parts by mass, more preferably 2 to 12 parts by mass, per 100 parts by mass of the total of components (A) to (C).

[0017] The components (D) and (E) can be used either alone or in combination. When the (D) component and the (E) component are used in combination, the content of the (D) component in the total amount of the (D) component and the (E) component is preferably 1 to 50 mass%, more preferably 2 to 30 mass%, and even more preferably 2.5 to 20 mass%, and the content of the (E) component is preferably 50 to 99 mass%, more preferably 70 to 98 mass%, and even more preferably 80 to 97.5 mass%.

[0018] The stick-type oily solid cosmetic preparation may contain a wax component. Examples of wax include synthetic wax, (ethylene / propylene) copolymer, polyethylene, microcrystalline wax, candelilla wax, carnauba wax, beeswax, and rice bran wax, as well as solid waxes commonly used in cosmetics, such as solid paraffin, Japan wax, ozokerite, ceresin, and hydrogenated hardened oil. Synthetic wax refers to "hydrocarbon wax obtained by the Fischer-Tropsch process or ethylene polymerization process" listed in the "List of Cosmetic Ingredient Labeling Names" compiled by the Japan Cosmetic Industry Association.

[0019] The stick-shaped oily solid cosmetic preparation may contain a pigment. There are no particular limitations on the pigment as long as it is used in cosmetics, and the following pigments, for example, can be used. Metal oxides such as titanium dioxide, red iron oxide, black iron oxide, black titanium dioxide, chromium oxide, and chromium hydroxide; mica, kaolin, ultramarine, Prussian blue; legal pigments such as Yellow 4 and its aluminum lake, Yellow 5 and its aluminum lake, Blue 1 and its aluminum lake, Red 104 aluminum lake, Red 201, Red 202, Red 218, Red 223, Red 226, Blue 404, Orange 205, Yellow 205, Green 201, Purple 201, Purple 401, and Black 401; natural pigments such as beta-carotene, carthamine, carmine, chlorophyll, and cochineal; Luminous powders include pearl pigments such as bismuth oxychloride, mica titanium, iron oxide coated mica, iron oxide coated mica titanium, organic pigment treated mica titanium, and aluminum powder.

[0020] The stick-shaped oily solid cosmetic preparation may contain the following as other ingredients: Inorganic powders such as silica (but not including pigments), organic powders such as (HDI / PPG / Polycaprolactone) crosspolymer, (HDI / Trimethylolhexyllactone) crosspolymer, (HDI / Trimethylolhexyllactone) crosspolymer, and other resin powders; Moisturizing agents such as glycerin, propylene glycol, sorbitol, polyethylene glycol, dipropylene glycol, 1,3-butylene glycol, diglycerin, ethylhexylglycerin, pentanediol, 1,2-hexanediol, caprylyl glycol, mannitol, POE methylglycoside, biopolymers, and sucrose; Emollient ingredients such as petrolatum, paraffin wax, ceresin, polyethylene, hydrogenated polydecene, esters of higher fatty acids and higher alcohols, and oils and fats, Preservatives and disinfectants such as methylparaben, ethylparaben, phenoxyethanol, sodium dehydroacetate, and isopropylmethylphenol, surfactants such as esters of fatty acids and sucrose (e.g., sorbitan sesquiisostearate); Ascorbyl dipalmitate, magnesium ascorbyl phosphate and other salts, ascorbyl glucoside, tocopherol, tocopherol acetate, retinol palmitate, nicotinamide, biotin and other vitamins and their derivatives, amino acids and their derivatives, pH adjusters such as potassium hydroxide, sodium hydroxide, magnesium sulfate, triethanolamine, aminomethylpropanol, aminomethylpropanediol, citric acid, sodium citrate, lactic acid, and sodium lactate, UV absorbers such as ethylhexyl methoxycinnamate, t-butyl methoxydibenzoylmethane, ethylhexyl triazone, octocrylene, bisethylhexyloxyphenol methoxyphenyl triazine, emulsion stabilizers such as aluminum dimyristate, antioxidants, fragrances, preservatives, chelating agents, antioxidants. [Example]

[0021] Component (A) Dimethicone 1: Product name "KF-96A-10cs", Shin-Etsu Chemical Co., Ltd. (kinematic viscosity 10 mm 2 / s)(25℃) Comparison (A) component Dimethicone 2: Product name "KF-96A-20cs", Shin-Etsu Chemical Co., Ltd. (kinematic viscosity 20 mm 2 / s) (B) Component Isohexadecane (kinematic viscosity 2.65 mm 2 / s)(37.8℃) Hydrogenated polyisobutene 1: Product name "Pearleam 6", NOF Corporation (kinematic viscosity 20.1 mm 2 / s)(37.8℃) Hydrogenated polyisobutene 2: Product name "Pearleam EX", NOF Corporation (kinematic viscosity 10.6 mm 2 / s)(37.8℃) Comparison (B) component Hydrogenated polyisobutene 3: Product name "Pearleam 18", NOF Corporation (kinematic viscosity 300 mm 2 / s) (C) Component (C-1) Dimethicone / vinyl dimethicone crosspolymer: Product name "Trefil E-506S", Dow Toray Industries, Inc. (powder, hardness 30) (C-2) Dimethicone / vinyl dimethicone crosspolymer / dimethicone: Product name "KSG-16," Shin-Etsu Chemical Co., Ltd. (gel type / solid content 24% by mass) Polysilicone-11 / Dimethicone: Product name "Gransil DMDM-25", Grant Industries, Inc. (gel type / solid content 25% by weight) Cetearyl dimethicone crosspolymer / dimethicone: Product name "Velvesil DM", Momentive Performance Materials Japan, LLC (gel type / solid content 17% by mass) (D) Component Stearalkonium hectorite: Product name "Bentone 27V", Elementis Specialties Comparison (D) component Silica silylate: Product name "AEROSIL R972V", Nippon Aerosil Co., Ltd. (E) Component Spherical cellulose: Product name "GE-800", manufactured by Toshiki Pigment Co., Ltd. (others) A blend of synthetic wax and ethylene / propylene copolymer: Product name: Lip Wax PZ80-20, Nippon Natural Products Co., Ltd. Polyethylene: Product name "PERFORMALENE PL POLYETHYLENE", New Phase Technologies Microcrystalline wax: Product name: "Refined Microcrystalline Wax", Nikko Rica Corporation Candelilla wax: Product name: "Refined Candelilla Wax SR-3", Japan Natural Products Co., Ltd. Sorbitan sesquiisostearate: Product name: Cosmol 182V, Nisshin Oillio Group Co., Ltd. Propylene carbonate: Product name "Propylene Carbonate S", Godo Co., Ltd. 1,2-Hexanediol: Product name "HYDROLITE-6 O", Symrise Co., Ltd. Bengala: Product name "TAROX Synthetic Iron Oxide R-516HP", Titanium Kogyo Co., Ltd. Black iron oxide: Product name: "TAROX Synthetic Iron Oxide BL-100HP", Titanium Kogyo Co., Ltd. Red No. 202: Product name "UNIPURE RED LC3079", Sensient Technologies Japan Co., Ltd. Mica: Product name "Mica Powder Y-2200", Yamaguchi Mica Co., Ltd. Kaolin: Product name "ASP 170", BASF Japan Ltd. Bismuth oxychloride: Product name "RONAFLAIR FINES", Merck Performance Materials LLC

[0022] Examples and Comparative Examples Components A, B, 1 other component, and C in Table 1 were heated and melted using a paddle mixer at 80 to 100°C until transparent, and then components D, E, and 2 other components in Table 1 were added and mixed. The mixture was then homogenously mixed using a three-roller to prepare a molten cosmetic composition. The composition obtained in the previous step was heated to 80 to 100°C and degassed while stirring using a vacuum degasser. After that, it was filled into a metal mold for stick molding, cooled and solidified, and then placed in a stick container to obtain a stick-shaped oily solid cosmetic.

[0023] (1) Productivity (ease of forming into sticks) The cosmetics of the Examples and Comparative Examples were checked for any problems in the manufacturing process, and the appearance of the finished cosmetics was checked for scratches, filling marks, uneven color, and the like. ○: The product was able to be molded into a stick shape without any problems, and no scratches or uneven coloring were observed on the exterior. △: The mixture was molded into a stick shape, but slight filling marks and uneven color were observed. ×: The product was able to be molded into a stick shape, but noticeable filling marks, scratches, etc. were observed.

[0024] (2) Usability (ease of application) The cosmetics of the Examples and Comparative Examples were applied to the lips. The applied surface was visually observed before and during application, and after finishing in a conventional manner, and evaluated according to the following criteria. ◯: When the cosmetic is spread, no or almost no stroke lines remain, and the finish can be easily and uniformly applied. △: When the cosmetic is spread, stroke lines remain, but if applied carefully, it can be applied evenly. ×: When the cosmetic was spread, stroke lines remained and the finish was not uniform.

[0025] (3) Makeup effect (matt finish) The cosmetics of the Examples and Comparative Examples were applied to a part of the face. After finishing with a normal makeup application method, the applied surface was visually observed and evaluated according to the following criteria. ◯: Not glossy like a crayon, and gave a matte finish. △: The gloss was not due to excess oil, but the gloss characteristic of oily cosmetics such as foundation was obtained. ×: The gloss due to the oil content of the cosmetic was noticeable.

[0026] (4) Stability (appearance) The stick-type cosmetics obtained in the Examples and Comparative Examples were placed in a thermostatic cycle test bath, the temperature inside the bath was set to 0°C and left to stand for 12 hours, and then the temperature inside the bath was set to 40°C and left to stand for 12 hours, with this cycle being one cycle per day, and the cycle test was carried out for one month (approximately 30 cycles). After the test, the appearance of the cosmetics was visually observed and evaluated according to the following criteria. ○: No change ×: Change occurred (oil droplets appeared on the surface)

[0027] (5) Stability (hardness) The stick-type cosmetics obtained in the Examples and Comparative Examples were measured for hardness (initial value) after leaving them to stand in a thermostatic chamber at 30°C for 6 hours, and for hardness (over time) after leaving them to stand in a thermostatic chamber at 40°C for 4 weeks, using a physical property measuring device, Rheotex SD-700II. Stability was evaluated according to the following criteria. ○: The range is -0.3≦(1-aged value / initial value)≦0.3. ×: The formula (1-value over time / initial value) is less than -0.3 or more than 0.3.

[0028] [Table 1]

[0029] [Table 2]

[0030] Comparing Table 1 and Table 2, a clear difference was observed in the evaluation results between the Examples containing components (A), (B), and (C) and the Comparative Examples not containing any of the components (A), (B), and (C). Among the Examples, Examples 1 to 3, which used the components (D) and (E) in combination, received good evaluations. Furthermore, by including a predetermined amount of component (D), moldability was improved. [Industrial Applicability]

[0031] The stick-shaped oily solid cosmetic composition of the present invention can be used as eye shadow, eye liner, mascara, lip color, concealer, hair foundation, shading, etc.

Claims

1. (A) Average kinematic viscosity is 15 mm ２ / s (25°C) or less, (B) Average kinematic viscosity is 30 mm ２ / s (37.8 ° C) or less hydrocarbon oil, (C) at least one of (C-1) a silicone elastomer having a hardness (Type A durometer hardness according to JIS K6253) of 40 or less and (C-2) a silicone elastomer having a solid content of 10 to 30 mass %, and (D) A stick-shaped oily solid cosmetic containing an organically modified clay mineral, A stick-shaped oily solid cosmetic preparation in which, when the total of component (A), component (B), and component (C) is 100% by mass, component (A) accounts for 30 to 85% by mass, component (B) accounts for 10 to 30% by mass, and component (C) accounts for 5 to 50% by mass.

2. 2. The stick-shaped oily solid cosmetic preparation according to claim 1, wherein component (C) is in a gel form.

3. 3. The stick-shaped oily solid cosmetic preparation according to claim 1, further comprising (E) spherical cellulose.

4. The content of component (D) is 0.1 to 1.4 parts by mass per 100 parts by mass of the total of components (A) to (C), 4. The stick-shaped oily solid cosmetic preparation according to claim 3, wherein the content of component (E) is 1.5 to 25 parts by mass per 100 parts by mass of the total of components (A) to (C).

5. 4. The stick-type oily solid cosmetic preparation according to claim 3, wherein, when the preparation further contains spherical cellulose (E), the content of component (D) is 5 to 40% by mass and the content of component (E) is 60 to 95% by mass based on the total amount of component (D) and component (E).

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