Water-in-oil type emulsion composition
Patent Information
- Application Number
- JP2024131871
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2023-08-10
- Filing Date
- 2024-08-08
- Publication Date
- 2025-02-21
AI Technical Summary
【0009】 本発明で用いる油中水型乳化組成物は、仕上がりが均一で、色ムラカバー力に優れ、化粧ヨレしにくく、艶やかな仕上がりが得られ、化粧持続性にも優れている。油中水型乳化組成物は、保持体に含浸させ、コンパクト容器に内蔵した化粧料として用いるのに適している。
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Abstract
Description
[Technical field]
[0001] The present invention relates to a water-in-oil emulsion composition. [Background technology]
[0002] Conventionally, cosmetics have been developed in which a liquid cosmetic is impregnated into a holder such as a sponge contained in a compact container, and when used, the cosmetic is taken from the holder using a finger or an applicator and applied to the skin. For example, Patent Document 1 describes that a cosmetic product containing a polyether-based urethane foam impregnated with a cosmetic composition is excellent in stability, portability, and usability. Patent Document 2 describes that a cosmetic product in which a water-insoluble sponge is impregnated with a cosmetic composition containing a specific organic ultraviolet blocking agent has excellent ultraviolet blocking properties. Patent Document 3 describes that a water-in-oil emulsion cosmetic for impregnation, which contains a cross-linked polyether-modified silicone or a cross-linked polyglycerin-modified silicone and an acrylic polymer having a dendrimer-type siloxane structure in its side chain or a siliconized pullulan, is excellent in usability and pore correction effect while maintaining the suitability for filling and retention in an impregnated body. [Prior art documents] [Patent documents]
[0003] [Patent Document 1] JP 2013-530252 A [Patent Document 2] JP 2017-088631 A [Patent Document 3] JP 2019-131489 A Summary of the Invention [Problem to be solved by the invention]
[0004] However, conventional cosmetic compositions have the problem of producing an uneven finish and being poor at covering uneven coloring. [Means for solving the problem]
[0005] The present inventors have discovered that a water-in-oil emulsion composition combining a hydrophobically treated color pigment, an acrylic silicone polymer, one or more selected from polyether-modified silicones and polyglyceryl ether-modified silicones, spherical silica, and liquid ester oil provides a uniform finish, is excellent at covering uneven coloring, is less likely to crease, provides a glossy finish, and also has excellent makeup durability.
[0006] The present invention comprises the following components (A), (B), (C), (D) and (E): (A) a hydrophobically treated color pigment; (B) an acrylic silicone polymer; (C) one or more selected from polyether-modified silicones and polyglyceryl ether-modified silicones, (D) spherical silica, (E) Ester oil that is liquid at 25°C The present invention relates to a water-in-oil type emulsion composition for impregnation, comprising:
[0007] The present invention also relates to a cosmetic product in which a holder impregnated with the water-in-oil emulsion composition is incorporated in a compact container. The present invention also relates to a method for using the above cosmetic, which comprises taking the water-in-oil emulsion composition impregnated in the support with a finger or an applicator from the support and applying it to the skin. The present invention also relates to a composition comprising the following components (A), (B), (C), (D) and (E): (A) a hydrophobically treated color pigment; (B) an acrylic silicone polymer; (C) one or more selected from polyether-modified silicones and polyglyceryl ether-modified silicones, (D) spherical silica, (E) Ester oil that is liquid at 25°C The present invention relates to a cosmetic kit comprising a holder impregnated with a water-in-oil emulsion composition containing the above-mentioned compound and a compact container.
[0008] The present invention also relates to a composition comprising the following components (A), (B), (C), (D) and (E): (A) a hydrophobically treated color pigment; (B) an acrylic silicone polymer; (C) one or more selected from polyether-modified silicones and polyglyceryl ether-modified silicones, (D) spherical silica, (E) Ester oil that is liquid at 25°C The present invention relates to a water-in-oil emulsion composition comprising: Effect of the Invention
[0009] The water-in-oil emulsion composition used in the present invention provides a uniform finish, has excellent uneven color covering power, is less likely to smudge, gives a glossy finish, and is also excellent in makeup durability. The water-in-oil emulsion composition is suitable for use as a cosmetic product impregnated in a holder and contained in a compact container. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
[0010] Component (A) used in the present invention is a colored pigment that has been subjected to a hydrophobic treatment. The color pigments are those used in ordinary cosmetics, such as metal oxides such as titanium oxide, zinc oxide, cerium oxide, aluminum oxide, yellow iron oxide, black iron oxide, red ocher, Prussian blue, ultramarine, chromium oxide, and chromium hydroxide, metal complexes such as manganese violet and cobalt titanate, and inorganic pigments such as carbon black; Red No. 3, Red No. 104, Red No. 106, Red No. 201, Red No. 202, Red No. 204, Red No. 205, Red No. 220, Red No. 226, Red No. 227, Red No. 229, Red No. 230, Red No. 231, Red No. 232, Red No. 233, Red No. 234, Red No. 235, Red No. 236, Red No. 237, Red No. 238, Red No. 239, Red No. 240, Red No. 241, Red No. 242, Red No. 243, Red No. 244, Red No. 245, Red No. 246, Red No. 247, Red No. 248, Red No. 249 ...9, Red No. 240, Red No. 241, Red No. 242, Red No. 243, Red No. 244, Red No. 245, Red No. 246, Red No. 247, Red No Examples of the pigments include synthetic organic pigments, organic dyes and their lake pigments, such as Color No. 227, Red No. 228, Red No. 230, Red No. 401, Red No. 405, Red No. 505, Orange No. 203, Orange No. 204, Orange No. 205, Yellow No. 4, Yellow No. 5, Yellow No. 401, Blue No. 1, and Blue 404; and natural organic dyes, such as β-carotene, caramel, and paprika dye. Examples of the pigments include composites of these color pigments and mixed pigments in which these color pigments are diluted with extender pigments such as barium sulfate and talc. From the viewpoint of covering the skin and imparting an aesthetic makeup effect, the color pigment preferably contains a metal oxide, more preferably contains one or more types selected from titanium oxide, zinc oxide, yellow iron oxide, black iron oxide, and red iron oxide, and further preferably contains one or more types selected from titanium oxide, yellow iron oxide, black iron oxide, and red iron oxide.
[0011] The hydrophobic treatment of these color pigments is not limited as long as it is a treatment that is performed on ordinary cosmetic powders, and dry treatment, wet treatment, etc. may be performed using a surface treatment agent such as a silicone compound, a metal soap, an amino acid compound, lecithin, an oil agent, or an organic titanate. Specific examples of surface treatment agents include alkylalkoxysilanes such as methyltrimethoxysilane, ethyltrimethoxysilane, hexyltrimethoxysilane, octyltrimethoxysilane, octyltriethoxysilane, and triethoxycaprylylsilane, silicone compounds such as dimethylpolysiloxane, methylhydrogenpolysiloxane, cyclic silicone, crosslinked silicone, silicone resin, and acrylic modified silicone; metal soaps such as aluminum stearate, aluminum myristate, zinc stearate, and magnesium stearate; amino acids such as proline, hydroxyproline, alanine, glycine, sarcosine, glutamic acid, aspartic acid, lysine, and derivatives thereof; acylated amino acids such as stearoyl glutamic acid, lauroyl aspartic acid, dilauroyl glutamic acid lysine, and lauroyl lysine; lecithin and hydrogenated lecithin; oils such as polyisobutylene, wax, oils and fats, and fatty acids; and organic titanates such as isopropyl triisostearoyl titanate. The acylated amino acid includes salts of acylated amino acids, and examples of the salts of acylated amino acids include Na, Ca, Al, Mg, Zn, Zr, and Ti salts, and preferably includes one or more selected from Na and Ca salts, and more preferably includes Na salts. Also, the acylated amino acid salt includes one or more selected from disodium stearoyl glutamate and sodium lauroyl aspartate, and more preferably includes disodium stearoyl glutamate, from the viewpoint of uniform finish and excellent color unevenness covering power. From the viewpoint of achieving a uniform finish and excellent ability to cover color unevenness, the surface treatment agent preferably contains one or more selected from silicone compounds, amino acids, acylated amino acids, and organic titanates, more preferably contains one or more selected from alkylalkoxysilanes, amino acids, and acylated amino acids, even more preferably contains one or more selected from alkylalkoxysilanes, disodium stearoyl glutamate, sodium lauroyl aspartate, and isopropyl triisostearoyl titanate, even more preferably contains one or more selected from alkylalkoxysilanes, disodium stearoyl glutamate, and isopropyl triisostearoyl titanate, and even more preferably contains one or more selected from alkylalkoxysilanes, disodium stearoyl glutamate, and isopropyl triisostearoyl titanate, and disodium stearoyl glutamate is even more preferable.
[0012] The hydrophobization treatment can be carried out according to a conventional method. The amount of the hydrophobization treatment is preferably 0.1 to 15 mass %, and more preferably 1 to 12 mass %, based on the amount of the coated powder, from the viewpoint of improving dispersibility in a solvent.
[0013] Component (A) may be used alone or in combination of two or more, and the content is preferably 1% by mass or more, more preferably 3% by mass or more, even more preferably 5% by mass or more, preferably 30% by mass or less, more preferably 25% by mass or less, and even more preferably 20% by mass or less, based on the total composition of the water-in-oil emulsion composition, from the viewpoint of uniform finish and excellent ability to cover color unevenness. The content of component (A) is preferably 1 to 30% by mass, more preferably 3 to 25% by mass, and even more preferably 5 to 20% by mass, based on the total composition of the water-in-oil emulsion composition.
[0014] Examples of the acrylic silicone polymer of component (B) used in the present invention include vinyl polymers having a carbosiloxane dendrimer structure in the side chain, and acrylic-silicone graft copolymers. In the vinyl polymer having a carbosiloxane dendrimer structure in its side chain, the carbosiloxane dendrimer structure is preferably a group represented by the following formula (1) from the viewpoint of forming a flexible coating film.
[0015] [ka]
[0016] In the formula, Z is a divalent organic group, p is 0 or 1, and R 11 is an alkyl group or an aryl group having 1 to 10 carbon atoms. 11 may be the same or different. X 1 is a silylalkyl group represented by the following formula when i=1:
[0017] [ka]
[0018] In the formula, R 11 is the same as above, and R 12 is an alkylene group having 2 to 10 carbon atoms, R 13 is an alkyl group having 1 to 10 carbon atoms.11 may be the same or different. X i+1 is a group selected from the group consisting of a hydrogen atom, an alkyl group having 1 to 10 carbon atoms, an aryl group, and the above-mentioned silylalkyl group. i is an integer of 1 to 10 indicating the hierarchy of the silylalkyl group, i is an integer from 0 to 3.
[0019] In formula (1), Z is a divalent organic group, and examples of such a group include an alkylene group, an arylene group, an aralkylene group, an ester-containing divalent organic group, an ether-containing divalent organic group, a ketone-containing divalent organic group, and an amide-containing divalent organic group. Among these, the organic group represented by the following formula is preferred.
[0020] [ka]
[0021] In the formula, R 19 R is an alkylene group having 1 to 10 carbon atoms, and examples thereof include a methylene group, an ethylene group, a propylene group, and a butylene group. Among these, an ethylene group and a propylene group are preferred. 20 R is an alkyl group having 1 to 10 carbon atoms, and examples of such groups include a methyl group, an ethyl group, a propyl group, and a butyl group. Among these, a methyl group is preferred. 21 is an alkylene group having 1 to 10 carbon atoms, and examples of such alkylene groups include a methylene group, an ethylene group, a propylene group, and a butylene group. Among these, an ethylene group is preferable. d is an integer of 0 to 4, and e is 0 or 1.
[0022] In addition, in formula (1), R 11 is an alkyl group or an aryl group having 1 to 10 carbon atoms, examples of the alkyl group include a methyl group, an ethyl group, a propyl group, a butyl group, a pentyl group, an isopropyl group, an isobutyl group, a cyclopentyl group, and a cyclohexyl group, and examples of the aryl group include a phenyl group and a naphthyl group. Among these, a methyl group and a phenyl group are preferred, and a methyl group is more preferred. X 1is a silylalkyl group represented by the following formula when i=1:
[0023] [ka]
[0024] In the formula, R 11 is the same as above. R 12 R is an alkylene group having 2 to 10 carbon atoms, and examples thereof include linear alkylene groups such as ethylene, propylene, butylene, and hexylene; and branched alkylene groups such as methylmethylene, methylethylene, 1-methylpentylene, and 1,4-dimethylbutylene. Among these, ethylene, methylethylene, hexylene, 1-methylpentylene, and 1,4-dimethylbutylene are preferred. 13 X is an alkyl group having 1 to 10 carbon atoms, and examples of such groups include a methyl group, an ethyl group, a propyl group, a butyl group, and an isopropyl group. i+1 is a group selected from the group consisting of a hydrogen atom, an alkyl group having 1 to 10 carbon atoms, an aryl group, and the above-mentioned silylalkyl group. i is an integer of 0 to 3. i is an integer of 1 to 10, which indicates the generation number of the silylalkyl group, that is, the number of repetitions of the silylalkyl group.
[0025] The vinyl polymer having a carbosiloxane dendrimer structure in a side chain includes 0 to 99.9 parts by mass of a vinyl monomer other than (B1) and (B2), and (B2) a monomer represented by the general formula (2):
[0026] [ka]
[0027] (wherein Y is a radically polymerizable organic group, R 11 and X 1 is the same as above.) and 100 to 0.1 parts by mass of a carbosiloxane dendrimer having a radically polymerizable organic group represented by the following formula (1):
[0028] In the above formula, Y is a radically polymerizable organic group, and R 11 is an alkyl group or an aryl group having 1 to 10 carbon atoms. Examples of the alkyl group include a methyl group, an ethyl group, a propyl group, a butyl group, a pentyl group, an isopropyl group, an isobutyl group, a cyclopentyl group, and a cyclohexyl group. Examples of the aryl group include a phenyl group and a naphthyl group. Among these, a methyl group and a phenyl group are preferred, and a methyl group is more preferred.
[0029] In this vinyl polymer, the vinyl monomer of component (B1) may be any one having a radically polymerizable vinyl group, and its type is not particularly limited. Examples of such vinyl monomers include lower alkyl (meth)acrylates such as methyl (meth)acrylate, ethyl (meth)acrylate, n-propyl (meth)acrylate, isopropyl (meth)acrylate, n-butyl (meth)acrylate, isobutyl (meth)acrylate, tert-butyl (meth)acrylate, n-hexyl (meth)acrylate, and cyclohexyl (meth)acrylate; 2-ethylhexyl (meth)acrylate, octyl (meth)acrylate, lauryl (meth)acrylate, and (meth)acrylate. higher alkyl (meth)acrylates such as stearyl acrylate; fatty acid vinyl esters such as vinyl acetate, vinyl propionate, vinyl butyrate, vinyl caproate, vinyl 2-ethylhexanoate, vinyl laurate, and vinyl stearate; aromatic monomers such as styrene, vinyl toluene, benzyl (meth)acrylate, and phenoxyethyl (meth)acrylate; (meth)acrylamide, N-methylol (meth)acrylamide, N-methoxymethyl (meth)acrylamide, and isobutoxymethoxy (meth)acrylamide. amide group-containing vinyl monomers such as hydroxyethyl (meth)acrylate, hydroxypropyl (meth)acrylate, glyceryl (meth)acrylate, and hydroxyethyl acrylamide; carboxylic acid-containing vinyl monomers such as (meth)acrylic acid, itaconic acid, crotonic acid, fumaric acid, and maleic acid, and salts thereof; ether bond-containing vinyl monomers such as tetrahydrofurfuryl (meth)acrylate, butoxyethyl (meth)acrylate, ethoxydiethylene glycol (meth)acrylate, polyethylene glycol (meth)acrylate, polypropylene glycol mono(meth)acrylate, hydroxybutyl vinyl ether, cetyl vinyl ether, and 2-ethylhexyl vinyl ether; reactive group-containing monomers such as glycidyl (meth)acrylate, (meth)allyl glycidyl ether, methacryloyloxyethyl isocyanate, and (meth)acryloxypropyltrimethoxysilane;Examples of the monomers include macromonomers such as polydimethylsiloxane containing a (meth)acrylic group at one end and polydimethylsiloxane containing a styryl group at one end; butadiene; vinyl chloride; vinylidene chloride; (meth)acrylonitrile; dibutyl fumarate; maleic anhydride; radically polymerizable unsaturated monomers having a sulfonic acid group such as styrenesulfonic acid and acrylamido-2-methylpropanesulfonic acid, and alkali metal salts, ammonium salts, and organic amine salts thereof; quaternary ammonium salts derived from (meth)acrylic acid such as 2-hydroxy-3-methacryloxypropyltrimethylammonium chloride; methacrylic acid esters of alcohols having a tertiary amino group such as diethylaminoethyl methacrylate, vinylpyridine, and quaternary ammonium salts thereof;
[0030] In addition, polyfunctional vinyl monomers can also be used, and examples thereof include unsaturated group-containing silicone compounds such as trimethylolpropane tri(meth)acrylate, pentaerythritol tri(meth)acrylate, ethylene glycol di(meth)acrylate, tetraethylene glycol di(meth)acrylate, polyethylene glycol di(meth)acrylate, 1,4-butanediol di(meth)acrylate, 1,6-hexanediol di(meth)acrylate, neopentyl glycol di(meth)acrylate, trimethylolpropane trioxyethyl (meth)acrylate, tris(2-hydroxyethyl)isocyanurate di(meth)acrylate, tris(2-hydroxyethyl)isocyanurate tri(meth)acrylate, and styryl group-blocked polydimethylsiloxane.
[0031] The carbosiloxane dendrimer of component (B2) may have a radically polymerizable organic group represented by general formula (2), and there are no particular limitations on the type, etc. In general formula (2), Y is a radically polymerizable organic group, and may be any organic group capable of radical reaction, and specific examples include (meth)acryloxy group-containing organic groups, (meth)acrylamide group-containing organic groups, styryl group-containing organic groups, and alkenyl groups having 2 to 10 carbon atoms, as represented by the following general formula:
[0032] [ka]
[0033] (In the formula, R 14 and R 16 is a hydrogen atom or a methyl group, R 15 and R 18 is an alkylene group having 1 to 10 carbon atoms, R 17 is an alkyl group having 1 to 10 carbon atoms; b is an integer of 0 to 4, and c is 0 or 1.
[0034] Examples of such radically polymerizable organic groups include a 2-acryloyloxyethyl group, a 3-acryloyloxypropyl group, a 2-methacryloyloxyethyl group, a 3-methacryloyloxypropyl group, a 4-vinylphenyl group, a 3-vinylphenyl group, a 4-(2-propenyl)phenyl group, a 3-(2-propenyl)phenyl group, a 2-(4-vinylphenyl)ethyl group, a 2-(3-vinylphenyl)ethyl group, a vinyl group, an allyl group, a methallyl group, and a 5-hexenyl group.
[0035] In general formula (2), when i=1, that is, the number of generations of the silylalkyl group is 1, the carbosiloxane dendrimer of component (B2) is represented by the general formula:
[0036] [ka]
[0037] (In the formula, Y, R 11 , R 12 and R 13 is the same as above, and R 22 is a hydrogen atom or the above R 11 is the same as 1 is the above a i Same as above, but a 1 The average total number is 0 to 7.) It is expressed as: An example of such a carboxy dendrimer (B2) containing a radically polymerizable organic group is a carbosiloxane dendrimer represented by the following average composition formula:
[0038] [ka]
[0039] [ka]
[0040] From the viewpoint of forming a flexible coating, the component (B2) is preferably a carbosiloxane dendrimer represented by the following average composition formula:
[0041] [ka]
[0042] Such carbosiloxane dendrimers can be produced, for example, according to the production methods described in JP-A-11-1530 and JP-A-2000-63225.
[0043] In the vinyl polymer having a dendrimer structure used in the present invention, the mass ratio of the above component (B1) to component (B2) is preferably (B1):(B2)=0:100 to 99.9:0.1, more preferably 5:95 to 90:10, and even more preferably 10:90 to 80:20.
[0044] The number average molecular weight of the vinyl polymer having a carbosiloxane dendrimer structure used in the present invention is preferably from 3,000 to 2,000,000, and more preferably from 5,000 to 800,000, from the viewpoint of forming a flexible coating film. The form of the agent may be any of liquid, gum, paste, solid, etc. at 25°C, but from the viewpoint of forming a soft film, it is preferable to use a solid form. From the viewpoint of conformity to the skin and film formation, it is preferable to use a solution or dispersion diluted with a solvent. Among them, it is preferable to use a dispersion diluted with liquid oil, and it is preferable to use one or more selected from silicone oil and hydrocarbon oil, and it is more preferable to use one or more selected from dimethylpolysiloxane, decamethylcyclopentasiloxane, and isododecane, and it is even more preferable to use one or more selected from dimethylpolysiloxane and isododecane, and dimethylpolysiloxane is even more preferable.
[0045] As the vinyl polymer having a carbosiloxane dendrimer structure in the side chain, a silicone dendrimer-acrylic copolymer is preferred, and the cosmetic label name "(Acrylates / Polytrimethylsiloxymethacrylate) Copolymer" (INCI name "Acrylates / Polytrimethylsiloxymethacrylate Copolymer") is preferred, and commercially available products such as FA4001CM (30% by mass decamethylcyclopentasiloxane solution), FA4002ID (40% by mass isododecane solution), and DOWSIL FA 4003 DM Silicone Acrylate (40% by mass methylpolysiloxane (2cs) solution) (all manufactured by Dow Toray) that have been dissolved in advance in a solvent can be used.
[0046] As the acrylic-silicone graft copolymer, from the viewpoint of excellent film forming properties and flexibility, a copolymer represented by the general formula (3):
[0047] [ka]
[0048] (In the formula, R 23 represents a methyl group or a hydrogen atom, R 24represents a divalent saturated hydrocarbon group having 1 to 10 carbon atoms which may be interrupted by one or two ether bonds, and k represents a number from 3 to 300. An acrylic-silicone graft copolymer obtained by polymerizing a monomer (B3) containing a dimethylpolysiloxane compound having a radical polymerizable group at the terminal of the molecular chain represented by the following formula is preferred. In general formula (3), R 24 The divalent saturated hydrocarbon group having 1 to 10 carbon atoms, which may be interrupted by one or two ether bonds, may be either linear or branched, and preferably has 1 to 7 carbon atoms. 2 -, -(CH 2 ) 3 -, -(CH 2 ) 6 -, -(CH 2 ) 8 -, -(CH 2 ) 10 -, -CH 2 -CH(CH 3 )-CH 2 -, -CH 2 CH 2 OCH 2 CH 2 CH 2 -, -CH 2 CH 2 OCH 2 CH(CH 3 )CH 2 -, -CH 2 CH 2 OCH 2 CH 2 OCH 2 CH 2 CH 2 - etc. Furthermore, k is a number from 3 to 300, and preferably from 5 to 100, from the viewpoint of excellent adhesion of the emulsion composition to the skin when applied.
[0049] As the dimethylpolysiloxane compound represented by the general formula (3), from the viewpoint of excellent film-forming properties and flexibility, the following can be preferably used, where Me represents a methyl group.
[0050] [ka]
[0051] The acrylic-silicone graft copolymer is obtained by polymerizing a monomer containing the dimethylpolysiloxane compound (B3) represented by the general formula (3). As a monomer to be used other than the dimethylpolysiloxane compound (B3), a radical polymerizable monomer (B4) mainly composed of acrylate and / or methacrylate can be mentioned. The radical polymerizable monomer mainly composed of acrylate and / or methacrylate is a compound having one radical polymerizable unsaturated bond in the molecule, and mainly composed of acrylate and / or methacrylate means that in the radical polymerizable monomer (B4), the total amount of acrylate and / or methacrylate accounts for 50 mass% or more of the entire radical polymerizable monomer.
[0052] Examples of the acrylate and / or methacrylate to be used include alkyl (meth)acrylates such as methyl (meth)acrylate, ethyl (meth)acrylate, butyl (meth)acrylate, and 2-ethylhexyl (meth)acrylate; hydroxyalkyl (meth)acrylates such as 2-hydroxyethyl (meth)acrylate and 2-hydroxypropyl (meth)acrylate; and perfluoroalkyl (meth)acrylates having 1 to 10 carbon atoms. Among these, methyl methacrylate, butyl methacrylate, and 2-ethylhexyl acrylate are preferred, and a combination of methyl methacrylate, butyl methacrylate, and 2-ethylhexyl acrylate is more preferred. Furthermore, examples of monomers other than acrylates and / or methacrylates include styrene, substituted styrenes, vinyl acetate, (meth)acrylic acid, maleic anhydride, maleic acid esters, fumaric acid esters, vinyl chloride, vinylidene chloride, ethylene, propylene, butadiene, acrylonitrile, and fluorinated olefins.
[0053] Polymerization of a monomer containing the dimethylpolysiloxane compound (B3) represented by general formula (3) can be carried out according to a conventional radical polymerization method, for example, in the presence of a radical polymerization initiator, by solution polymerization, emulsion polymerization, suspension polymerization, bulk polymerization, or the like. The resulting acrylic-silicone graft copolymer preferably has a weight average molecular weight of 3,000 to 200,000, and more preferably 5,000 to 100,000.
[0054] The acrylic-silicone graft copolymer is preferably one obtained by radical copolymerization of a dimethylpolysiloxane compound (B3) represented by the general formula (3) and a radical polymerizable monomer (B4) mainly composed of an acrylate and / or a methacrylate. In this case, the polymerization ratio (B3) / (B4) of the dimethylpolysiloxane compound (B3) represented by the general formula (3) and the radical polymerizable monomer (B4) mainly composed of an acrylate and / or a methacrylate is preferably 1 / 19 to 2 / 1.
[0055] The acrylic-silicone graft copolymer is preferably a solid at 25° C., from the viewpoint of excellent film-forming properties and flexibility. From the viewpoint of good spreadability, excellent film forming properties, and flexibility, it is preferable to use it by dissolving it in a solvent. Examples of the solvent include silicone oil and hydrocarbon oil, and one or more selected from methyl trimethicone, methyl polysiloxane (2cs), decamethyl cyclopentasiloxane, and isododecane are preferable, one or more selected from methyl trimethicone, methyl polysiloxane (2cs), and decamethyl cyclopentasiloxane are more preferable, and methyl polysiloxane (2cs) is even more preferable.
[0056] The acrylic-silicone graft copolymer is preferably one having the cosmetic label name "Acrylates / Dimethicone Copolymer" (INCI name "Acrylates / Dimethicone Copolymer"), and commercially available products such as KP-545 (30% by mass decamethylcyclopentasiloxane solution), KP-545L (40% by mass methylpolysiloxane (2cs) solution), KP-549 (40% by mass methyltrimethicone solution), and KP-550 (40% by mass isododecane solution) (all manufactured by Shin-Etsu Chemical Co., Ltd.) that have been dissolved in advance in a solvent can be used. Additionally, (acrylates / ethylhexyl acrylate / dimethicone methacrylate) copolymer, KP-578 (manufactured by Shin-Etsu Chemical Co., Ltd.), and the like can also be preferably used.
[0057] As component (B), from the viewpoints of excellent flexibility of the coating film, uniformity of the finish, and prevention of makeup smudging, an acrylic-silicone graft copolymer is preferred.
[0058] One or more kinds of component (B) can be used, and the content is preferably 0.01% by mass or more, more preferably 0.1% by mass or more, and even more preferably 0.3% by mass or more, and preferably 5% by mass or less, more preferably 3% by mass or less, and even more preferably 1% by mass or less, based on the total composition of the water-in-oil emulsion composition, from the viewpoints of uniformity of finish, excellent ability to cover uneven color, and suppression of makeup smudging. The content of component (B) is preferably 0.01 to 5% by mass, more preferably 0.1 to 3% by mass, and even more preferably 0.3 to 1% by mass, based on the total composition of the water-in-oil emulsion composition.
[0059] The component (C) used in the present invention is one or more selected from polyether-modified silicones and polyglyceryl ether-modified silicones. The polyether-modified silicone is a compound having a methyl silicone chain as the main chain and a polyoxyethylene group as the side chain, and examples thereof include those represented by the general formula (4).
[0060] [ka]
[0061] (In the formula, R 25 represents an alkyl group having 1 to 4 carbon atoms, m represents a number from 5 to 50, n represents a number from 2 to 10, and h represents a number from 5 to 50.
[0062] Examples of polyether-modified silicones include PEG-8 dimethicone, PEG-10 dimethicone, PEG-12 dimethicone, and PEG-14 dimethicone.
[0063] The polyglyceryl ether-modified silicone of component (C) is preferably a modified silicone having an alkyl group having 10 or more carbon atoms and a polyglyceryl group, and has a siloxane skeleton, an alkyl group having 10 or more carbon atoms, and a polyoxyalkylene group or a polyglyceryl group. The siloxane skeleton refers to a so-called silicone chain, and examples thereof include dimethylpolysiloxane (dimethicone), methylphenylpolysiloxane, methylhydrogenpolysiloxane, etc. The length of the silicone chain is not particularly limited, and may be any length that is normally used in cosmetics, etc. The polyglyceryl ether-modified silicone may be a block copolymer type containing a silicone chain and a polyoxyalkylene group or a polyglyceryl group chain in the main chain, or may be a terminal-modified type, or may be a side-chain-modified type in which a polyoxyalkylene group or a polyglyceryl group is bonded as a side chain of a siloxane skeleton. The oxyalkylene of the polyoxyalkylene group contained in the modified silicone has one or more of ethylene oxide and propylene oxide in one molecule, and preferably has ethylene oxide and propylene oxide. The number of moles of oxyalkylene added in the polyoxyalkylene group is preferably 4 to 12, more preferably 8 to 10. The number of moles of glycerin added in the polyglyceryl group contained in the modified silicone is preferably 1 to 10, more preferably 1 to 4.
[0064] The polyglyceryl ether modified silicone preferably has an HLB of 2 to 7, and more preferably 2 to 5, from the viewpoints of preventing makeup from smudging and improving makeup durability. In the present invention, HLB (Hydrophilic-Lipophilic Balance) indicates the molecular weight of the hydrophilic group portion in the total molecular weight of a surfactant, and is calculated by the following Griffin formula. HLB = 20 x (molecular weight of hydrophilic group / total molecular weight)
[0065] Specific examples of polyglyceryl ether modified silicones include lauryl PEG-10 tris(trimethylsiloxy)silylethyl dimethicone, cetyl diglyceryl tris(trimethylsiloxy)silylethyl dimethicone, cetyl PEG / PPG-10 / 1 dimethicone, lauryl PEG-9 polydimethylsiloxyethyl dimethicone, lauryl PEG / PPG-18 / 18 methicone, and the like.
[0066] Furthermore, examples of polyglyceryl ether-modified silicones include alkyl glyceryl ether-modified silicones represented by the following general formula (5).
[0067] [ka]
[0068] (R 31 and R 39 R are each independently a linear or branched hydrocarbon group, which may be the same or different, and which has a carbon number of 1 to 32 as a mode; 32 ~R 38 are each independently the same or different, a straight-chain or branched hydrocarbon group having 1 to 5 carbon atoms; Q is a straight-chain or branched divalent hydrocarbon group having 3 to 20 carbon atoms; R 40 and R 41are each independently a hydrogen atom or a straight-chain or branched hydrocarbon group having 1 to 28 carbon atoms, at least one of which is a hydrogen atom; p represents the number of repeating units, the average being 5 to 60; q represents the number of repeating units, the average being 2.5 to 10; and the constituent units of the repeating numbers p and q may be either a block copolymer or a random copolymer, provided that in the formula, at least one alkyl group having 10 or more carbon atoms is present.
[0069] In the general formula (5), R 31 and R 39 each independently represents a linear or branched hydrocarbon group having a carbon number mode of 1 to 32. Here, the carbon number mode refers to the carbon number of the hydrocarbon group that is most abundant among the chain lengths of the hydrocarbon groups having a distribution, and the carbon number mode is preferably 8 to 32, more preferably 12 to 28, and even more preferably 16 to 18.
[0070] In the general formula (5), R 32 ~R 38 each independently represents a straight-chain or branched hydrocarbon group having 1 to 5 carbon atoms, and may be the same or different. By using a hydrocarbon group having a carbon number within this range, plasticization of the film caused by oils contained in food can be more effectively prevented. Specific examples include straight-chain alkyl groups such as methyl, ethyl, n-propyl, n-butyl, and pentyl; and branched-chain alkyl groups such as isopropyl, sec-butyl, tert-butyl, and neopentyl. Of these, the methyl group is preferred from the viewpoint of availability.
[0071] In addition, in the general formula (5), Q represents a divalent linear or branched hydrocarbon group having 3 to 20 carbon atoms. Examples of the divalent hydrocarbon group having 3 to 20 carbon atoms represented by Q include linear alkylene groups such as trimethylene, tetramethylene, pentamethylene, hexamethylene, heptamethylene, octamethylene, nonamethylene, decamethylene, undecamethylene, dodecamethylene, tridecamethylene, tetradecamethylene, hexadecamethylene, and octadecamethylene; and branched alkylene groups such as propylene, 2-methyltetramethylene, 2-methylpentamethylene, 3-methylpentamethylene, and 2-ethyloctamethylene. Of these, nonamethylene, decamethylene, undecamethylene, dodecamethylene, and tridecamethylene are preferred.
[0072] Also, R 40 and R 41 are each independently a hydrogen atom or a linear or branched hydrocarbon group having 1 to 28 carbon atoms, at least one of which is a hydrogen atom. Examples of linear or branched hydrocarbon groups having 1 to 28 carbon atoms include linear alkyl groups such as methyl, ethyl, propyl, butyl, pentyl, hexyl, octyl, decyl, dodecyl, tetradecyl, hexadecyl, octadecyl, eicosyl, doeicosyl, tetraeicosyl, hexaeicosyl, and octaeicosyl; and branched alkyl groups such as isopropyl, sec-butyl, tert-butyl, neopentyl, 1-ethylpropyl, and 1-heptyldecyl. Of these, R 40 and R 41 and are preferably both hydrogen atoms.
[0073] In the general formula (5), p represents the number of repeating units, and is an average value of 5 to 60, preferably 20 to 30. Here, the average value of p is 1 H-NMR was used to determine the R 14 and R 15 It is calculated from the intensity ratio of the peaks assigned to Furthermore, q represents the number of repeating units, and is an average value of 2.5 to 10, and preferably 3.0 to 6.0. Here, the average value of q is 1 H-NMR was used to determine the OR ratio based on the terminal methyl groups of the hydrocarbon groups introduced at both ends of the polysiloxane. 20 and OR 21 It is calculated from the intensity ratio of the peaks assigned to the added methine and methylene hydrogen. The constituent units having repeating numbers p and q may be either block copolymers or random copolymers, but are preferably random copolymers. Also, it is preferable that p is greater than q.
[0074] The alkyl glyceryl ether-modified silicone represented by general formula (5) can be produced, for example, by subjecting an organohydrogenpolysiloxane having at least one silicon-hydrogen bond to a hydrosilylation reaction with the corresponding alkenyl glyceryl ether, according to the method described in JP-A-4-134013.
[0075] As the alkyl glyceryl ether-modified silicone represented by general formula (5), glyceryl undecyl dimethicone and bis alkyl (C16-18) glyceryl undecyl dimethicone are preferred, from the viewpoints that a network structure is formed between the moisture present on the skin and the ester oil of component (D) during and after application, forming a coating film on the skin that is resistant to makeup smudging, suppressing makeup smudging, improving makeup durability, and improving the uniformity of the finish.
[0076] Component (C) preferably contains a polyglyceryl ether modified silicone.
[0077] Component (C) may be used alone or in combination of two or more, and the content is preferably 0.1% by mass or more, more preferably 1% by mass or more, even more preferably 2% by mass or more, preferably 12% by mass or less, more preferably 7% by mass or less, and even more preferably 5% by mass or less, based on the total composition of the water-in-oil emulsion composition, from the viewpoint of suppressing makeup smudging and improving makeup durability. The content of component (C) is preferably 0.1 to 12% by mass, more preferably 1 to 7% by mass, and even more preferably 2 to 5% by mass, based on the total composition of the water-in-oil emulsion composition.
[0078] With respect to the spherical silica of component (D), spherical includes true spheres, nearly spheres, and spheroids, and may also be spherical powder having an uneven surface. The spherical silica in component (D) has a specific surface area of 150 m2, which provides a uniform finish, excellent coverage for uneven coloring, prevents makeup from smudging, and provides a glossy finish. 2 / g or less, and 60m 2 / g or less is more preferable, and 10m 2 / g or less is more preferred, and non-porous is even more preferred. In the present invention, the specific surface area is measured by the BET method (N2).
[0079] The spherical silica of component (D) has a volume average particle size of preferably 1 to 50 μm, more preferably 1 to 35 μm, even more preferably 2 to 25 μm, and even more preferably 3 to 15 μm, from the viewpoints of achieving a uniform finish, excellent color unevenness covering ability, suppressing makeup smudging, and achieving a glossy finish. In the present invention, the volume average particle size is a value measured using ethanol as a dispersion medium with a laser diffraction scattering type particle size distribution analyzer (LMS-350, manufactured by Seishin Enterprise Co., Ltd.) The volume average particle size is the average particle size based on volume, and is the 50% median size.
[0080] The silica of component (D) may be used as it is, or may be subjected to a hydrophobic treatment by a conventional method, as in the case of component (A).
[0081] Component (D) may be used alone or in combination of two or more, and the content is preferably 0.1% by mass or more, more preferably 1% by mass or more, even more preferably 2% by mass or more, preferably 20% by mass or less, more preferably 12% by mass or less, and even more preferably 8% by mass or less, based on the total composition of the water-in-oil emulsion composition, from the viewpoint of achieving a uniform finish, excellent color unevenness covering power, suppressing makeup smudging, and obtaining a glossy finish. The content of component (D) is preferably 0.1 to 20% by mass, more preferably 1 to 12% by mass, and even more preferably 2 to 8% by mass, based on the total composition of the water-in-oil emulsion composition.
[0082] In the present invention, from the viewpoints of achieving a uniform finish, excellent coverage of uneven coloring, suppressing makeup smudging, providing a glossy finish, and excellent makeup durability, the mass ratio (A) / (D) of component (A) to component (D) is preferably 0.3 or more, more preferably 0.5 or more, even more preferably 1 or more, preferably 15 or less, more preferably 7 or less, and even more preferably 5 or less. The mass ratio (A) / (D) of component (A) to component (D) is preferably 0.3 to 15, more preferably 0.5 to 7, and even more preferably 1 to 5.
[0083] In the present invention, the mass ratio (B) / (D) of component (B) to component (D) is preferably 0.01 or more, more preferably 0.03 or more, even more preferably 0.05 or more, preferably 1 or less, more preferably 0.4 or less, and even more preferably 0.2 or less, from the viewpoints of achieving a uniform finish, excellent color unevenness covering power, suppressing makeup smudging, obtaining a glossy finish, and excellent makeup durability. The mass ratio (B) / (D) of component (B) to component (D) is preferably 0.01 to 1, more preferably 0.03 to 0.4, and even more preferably 0.05 to 0.2.
[0084] In the present invention, from the viewpoints of achieving a uniform finish, excellent coverage of uneven coloring, suppressing makeup smudging, providing a glossy finish, and excellent makeup durability, the mass ratio (C) / (D) of component (C) to component (D) is preferably 0.2 or more, more preferably 0.4 or more, even more preferably 0.6 or more, preferably 5 or less, more preferably 3 or less, and even more preferably 1 or less. The mass ratio (C) / (D) of component (C) to component (D) is preferably 0.2 to 5, more preferably 0.4 to 3, and even more preferably 0.6 to 1.
[0085] The component (E) used in the present invention is an ester oil that is liquid at 25°C. Being liquid at 25°C means that the viscosity at 25°C is 10,000 mPa·s or less. The viscosity is measured under the following conditions: Viscosity measurement conditions: B-type viscometer (TVB-10 model, manufactured by Toki Sangyo Co., Ltd.), rotor No. 4, 60 rpm, 60 seconds
[0086] The ester oil of component (E) may be any oil that is commonly used in cosmetics, and examples thereof include monoester oils such as ethylhexyl paramethoxycinnamate, cetyl ethylhexanoate, octyldodecyl myristate, isotridecyl isononanoate, isononyl isononanoate, etc.; diester oils such as neopentyl glycol dicaprate, propylene glycol dicaprate, diisostearyl malate, etc.; triester oils such as glyceryl tri-2-ethylhexanoate, tri(caprylic acid / capric acid)glyceryl, etc.; and tetraester oils such as dipentaerythrityl tetraisostearate, etc.
[0087] Among these, from the viewpoints of providing an excellent finish and preventing makeup from smudging, preferred are ester oils having a molecular weight of 300 or more. Also, it is preferred to contain one or more types selected from monoesters and diesters, more preferred to contain one or more types selected from diisostearyl malate, neopentyl glycol dicaprate, isotridecyl isononanoate, cetyl ethylhexanoate, and propylene glycol dicaprate, and even more preferred to contain at least one or two types selected from diisostearyl malate and neopentyl glycol dicaprate.
[0088] Component (E) may be used alone or in combination of two or more, and the content is preferably 3% by mass or more, more preferably 6% by mass or more, even more preferably 10% by mass or more, preferably 40% by mass or less, more preferably 25% by mass or less, and even more preferably 16% by mass or less, based on the total composition of the water-in-oil emulsion composition, from the viewpoint of excellent finish and suppression of makeup smudging. The content of component (D) is preferably 3 to 40% by mass, more preferably 6 to 25% by mass, and even more preferably 10 to 16% by mass, based on the total composition of the water-in-oil emulsion composition.
[0089] The water-in-oil emulsion composition of the present invention may further contain a volatile oil. Volatile means that it has a flash point of −4 to 88° C. Examples of volatile oils include volatile silicone oils and volatile hydrocarbon oils. Examples of volatile silicone oils include linear dimethylpolysiloxanes such as hexamethyldisiloxane, octamethyltrisiloxane (1cs), decamethyltetrasiloxane (1.5cs), and dimethylpolysiloxane (2cs); branched siloxanes such as methyltrimethicone, tris(trimethylsilyl)methylsilane, and tetrakis(trimethylsilyl)silane; and cyclic dimethylsiloxanes such as octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, and dodecamethylcyclohexasiloxane. Examples of volatile hydrocarbon oils include paraffinic hydrocarbon oils such as n-decane, n-undecane, and n-dodecane; isoparaffinic hydrocarbon oils such as isodecane, isododecane, and hydrogenated polyisobutene; and cyclic paraffinic hydrocarbon oils such as cyclodecane and cyclododecane. Among these, hydrocarbon oils having 8 to 16 carbon atoms are preferred, hydrocarbon oils having 10 to 16 carbon atoms are more preferred, and hydrocarbon oils having 12 carbon atoms are even more preferred.
[0090] From the viewpoint of providing an excellent finish and preventing makeup from smudging, the volatile oil is preferably one or more oils selected from hydrocarbon oils and silicone oils, and includes one or more oils selected from the group consisting of isododecane, hexamethyldisiloxane, methyltrimethicone, and dimethylpolysiloxane having a kinetic viscosity of 2 cSt or less at 25° C. The kinetic viscosity can be measured, for example, using an Ubbelohde viscometer.
[0091] Commercially available products of hexamethyldisiloxane and dimethylpolysiloxane with a kinematic viscosity of 2 cSt or less at 25°C include "KF-96L-0.65cs" (hexamethyldisiloxane), "TMF1.5", "KF-96L-1cs" (octamethyltrisiloxane), "KF-96L-1.5cs", and "KF-96L-2cs" manufactured by Shin-Etsu Chemical Co., Ltd., "SH200C Fluid 1cs" and "SH200C Fluid 1.5cs" manufactured by Dow Corning Toray Co., Ltd., "TSF451-0.65" manufactured by Momentive Performance Materials Japan, LLC, "BELSIL DM0.65" manufactured by Wacker Asahi Kasei Silicone Co., Ltd., and "XIAMETER PMX-200 SILICONE FLUID 0.65CS" manufactured by Dow Toray Co., Ltd., and the like.
[0092] The volatile oil may be used alone or in combination of two or more, and the content is preferably 1% by mass or more, more preferably 4% by mass or more, even more preferably 8% by mass or more, preferably 50% by mass or less, more preferably 35% by mass or less, and even more preferably 25% by mass or less, based on the total composition of the water-in-oil emulsion composition, from the viewpoint of excellent finish and suppression of makeup smudging. The content of the volatile oil is preferably 1 to 50% by mass, more preferably 4 to 35% by mass, and even more preferably 8 to 25% by mass, based on the total composition of the water-in-oil emulsion composition.
[0093] The water-in-oil emulsion composition of the present invention may further contain an alkyl-modified silicone that is liquid at 25°C. Being liquid at 25°C means that, like component (E), the viscosity at 25°C is 10,000 mPa·s or less. The alkyl-modified silicone is a silicone containing an alkyl group, and the alkyl group is preferably a straight or branched chain having 8 to 24 carbon atoms, more preferably 8 to 20, even more preferably 8 to 16, and even more preferably 8 to 12. The alkyl group may substitute on a side chain, one end, or both ends of the polysiloxane chain. Examples of such alkyl-modified silicones include caprylyl methicone, cetyl dimethicone, alkyl (C26-28) dimethicone, stearyl dimethicone, behenoxy dimethicone, (acrylates / stearyl acrylate / dimethicone methacrylate) copolymer, etc. Among these, caprylyl methicone, cetyl dimethicone, alkyl (C26-28) dimethicone, stearyl dimethicone, and behenoxy dimethicone are preferred, and caprylyl methicone is more preferred.
[0094] The alkyl-modified silicone that is liquid at 25°C can be used alone or in combination of two or more, and the content is preferably 1% by mass or more, more preferably 2% by mass or more, even more preferably 3% by mass or more, preferably 15% by mass or less, more preferably 10% by mass or less, and even more preferably 8% by mass or less, based on the total composition of the water-in-oil emulsion composition, from the viewpoint of a uniform finish and excellent color unevenness covering power. The content of the alkyl-modified silicone that is liquid at 25°C is preferably 1 to 15% by mass, more preferably 2 to 10% by mass, and even more preferably 3 to 8% by mass, based on the total composition of the water-in-oil emulsion composition.
[0095] From the viewpoints of being environmentally friendly, providing excellent usability, and achieving a glossy finish, the water-in-oil emulsion composition of the present invention preferably contains no more than 1% by mass of organic resin powder such as microplastics in the total composition, more preferably no more than 0.1% by mass, and even more preferably is substantially free of such powder. Specifically, it refers to organic resin powder other than cellulose powder that has excellent biodegradability. Examples of the organic resin powder include crosslinked or non-crosslinked organic resin powders such as powders of one or more polymers or copolymers selected from polyamide resin, nylon resin, polyester resin, polyethylene resin, polytetrafluoroethylene resin, polypropylene resin, polystyrene resin, benzoguanamine resin, polymethylbenzoguanamine resin, polyurethane resin, vinyl resin, fluororesin, acrylic resin, and melamine resin; butyl acrylate-vinyl acetate copolymer, styrene-acrylic acid copolymer, silicone resin, and divinylbenzene-styrene copolymer.
[0096] In the water-in-oil emulsion composition of the present invention, the water content is preferably 3 to 50 mass %, more preferably 5 to 40 mass %, and even more preferably 10 to 30 mass %, of the total composition, from the viewpoint of forming a stable emulsion composition that is excellent in usability.
[0097] In addition to the above-mentioned components, the water-in-oil emulsion composition of the present invention can optionally contain various components that are commonly used in cosmetics. Examples of these components include oily components other than those mentioned above, surfactants, water-soluble polymers, antioxidants, UV absorbers, vitamins, preservatives, pH adjusters, fragrances, plant extracts, moisturizers, colorants, cooling agents, antiperspirants, disinfectants, skin activators, etc.
[0098] The water-in-oil emulsion composition of the present invention can be produced according to a conventional method, and can be made into a dosage form such as a liquid, emulsion, paste, cream, gel, or solid. Furthermore, the water-in-oil emulsion composition of the present invention can be made into a water-in-oil emulsion cosmetic, and can be used, for example, as makeup cosmetics such as a makeup base, foundation, concealer, blusher, eye shadow, mascara, eyeliner, eyebrow, overcoat agent, lipstick, etc.; UV protection cosmetics such as a sunscreen lotion, a sunscreen cream, etc.; skin care cosmetics such as a skin care lotion, a skin care cream, a BB cream, a beauty serum, etc. In particular, it is suitable as a liquid water-in-oil emulsion cosmetic.
[0099] The water-in-oil emulsion composition of the present invention has a viscosity at 30°C of preferably 3,000 to 30,000 mPa·s, and more preferably 5,000 to 25,000 mPa·s, from the viewpoints of achieving a uniform finish, excellent ability to cover uneven coloring, suppressing makeup smudging, and achieving a glossy finish. The viscosity was measured using a B-type viscometer (TVB-10 model, manufactured by Toki Sangyo Co., Ltd.) at a rotation speed of 12 rpm, a measurement time of 30 seconds, and a temperature of 30° C. The following rotors were used depending on the viscosity of the composition. Viscosity 2,500 mPa·s or more but less than 10,000 mPa·s: Rotor No. 3, Viscosity 10,000 mPa·s or more: Rotor No. 4 In addition, in Table 1, the water-in-oil emulsion composition of Example 1 had a viscosity of 12,000 mPa·s at 30°C.
[0100] The water-in-oil emulsion composition of the present invention can be used as a water-in-oil emulsion composition for impregnation by impregnating a support, taking it from the support with a finger or an applicator, and applying it to the skin. The support is one that is impregnated with and supports the water-in-oil emulsion composition having fluidity, and examples thereof include nonwoven fabrics made of a single or mixed material such as resin, pulp, cotton, etc., resin-treated fibrous bodies, foams such as sponges, porous bodies with a continuous mechanism, and aggregates of fibers. Examples of the material include NBR (acrylonitrile butadiene rubber), SBR (styrene butadiene rubber), NR (natural rubber), urethane, nylon, polyolefin, polyester, EVA (ethylene vinyl acetate), PVA (polyvinyl alcohol), silicone elastomer, etc., but are not limited to these materials as long as the support can contain the contents. Among them, an aggregate of polyester fibers is preferable, and an aggregate of polyester fibers having a layered structure in which the front layer and the back layer are connected by crosslinked yarns may be used. A fibrous body molded using polyester fibers, which preferably has a hardness of 40 to 60 (measured by an F hardness scale) and an apparent density (based on JIS K 6400-1) of 0.006 to 0.1 g / cm3, is preferable. 3 is preferable, and 0.02 to 0.1 g / cm 3 It is more preferable to use one of the following:
[0101] Among these, the fiber aggregate includes an aggregate of fibers having a core-sheath structure. The core-sheath structure fiber is composed of fibers in which the periphery of the core part is surrounded by the sheath part, and the fibers are preferably composed of a thermoplastic resin, and the core part is preferably composed of a thermoplastic resin having a higher melting point than the sheath part. In addition, the material of the core part and the sheath part in the core-sheath structure fiber is not particularly limited, but polyolefin resin is preferable because it is not deteriorated over time by the components of the emulsion composition.
[0102] Among polyolefin resins, those in which the core portion is made of polypropylene (melting point 165° C.) and the sheath portion is made of polyethylene (melting point 130° C.), or those in which the core portion is made of polypropylene (melting point 165° C.) and the sheath portion is made of polybutene (melting point 127° C.) can be used. From the viewpoint of impregnation and retention of the emulsion composition, the core-sheath fiber preferably has a thickness of 2.0 to 15 dtex, more preferably 2.0 to 13 dtex.
[0103] Furthermore, eccentric sheath-core composite fibers are preferred in terms of three-dimensional crimping. The shape of the core of the eccentric sheath-core composite fiber may be circular or irregular, such as elliptical, Y-shaped, or X-shaped, and the cross-sectional shape of the eccentric sheath-core composite fiber may be circular or irregular, such as elliptical, Y-shaped, X-shaped, well-shaped, polygonal, or star-shaped, or hollow.
[0104] The core-sheath fiber aggregate can be manufactured by a known method. Examples include a thermal bonding method, a needle punch method, and a hydroentanglement method. A fiber having a core-sheath structure in which a part of the sheath portion is fused is more preferable as the core-sheath fiber aggregate. The manufacturing method is not limited, and can be, for example, a hot air conveyor furnace type, a mold forming type, or a method using a mesh belt (the method described in Japanese Patent No. 4195043), and then cut into a size suitable for the holder by a press or other cutting process.
[0105] The aggregate of fibers having a core-sheath structure has an apparent density (based on JIS K 6400-1) of 0.02 to 0.1 g / cm 3 is more preferred from the viewpoint of impregnation and retention of the emulsion composition. The size of the aggregate of core-sheath fibers is not particularly limited, and can be determined according to ease of use or the size of the container in which it is stored.
[0106] The support may be in a state where it is entirely or partially impregnated with the water-in-oil emulsion composition, or may be disposed as a screen net on the surface of the water-in-oil emulsion composition. In the weaving form of the screen net, the method of constructing the yarn weave, the shape of the yarn, the number of twists of the yarn, the thickness, the material, etc. are not limited, and for example, any of plain weave, 1 / 2 twill weave, 2 / 1 twill weave, twill weave, georgette weave, half georgette weave, and satin weave are acceptable. The screen net may be made of, for example, polyurethane, TPE (thermoplastic elastomer), polyester, polyether, acrylic, olefin, etc. The thickness of the fibers constituting the screen net is preferably 0.01 to 1.0 mm.
[0107] It is preferable that the screen net is completely attached to the support impregnated with the emulsion composition by being in close contact with it, or that the absorbent and the screen net are not attached to each other and are positioned at a distance of 0.1 to 3.0 mm from the screen net.
[0108] The water-in-oil emulsion composition of the present invention can be used by impregnating such a support, taking it from the support with a finger or an applicator, and applying it to the skin. The water-in-oil emulsion composition of the present invention can be used by impregnating such a support, placing a screen net adjacent to it, and then taking the composition from the screen net with a finger or an applicator and applying it to the skin. Applicators for applying to the skin typically include sponges, puffs, tips, etc., which are used when applying liquid cosmetics to the skin.
[0109] The water-in-oil emulsion composition of the present invention can be used as a cosmetic product by incorporating a support impregnated with the composition into a compact container. The water-in-oil emulsion composition of the present invention can be used as a cosmetic product contained in a compact container by placing a support impregnated with the composition adjacent to a screen net. Furthermore, a cosmetic kit can be made by combining a holder impregnated with the water-in-oil emulsion composition of the present invention with a compact container.
[0110] The water-in-oil emulsion composition of the present invention can be used by impregnating a support, but can also be suitably used as a normal liquid water-in-oil emulsion cosmetic, particularly a liquid foundation, without being impregnated into a support. In relation to the above-mentioned embodiment, the present invention further discloses the following compositions, etc.
[0111] <1> The following components (A), (B), (C), (D) and (E): (A) a hydrophobically treated color pigment; (B) an acrylic silicone polymer; (C) one or more selected from polyether-modified silicones and polyglyceryl ether-modified silicones, (D) spherical silica, (E) Ester oil that is liquid at 25°C A water-in-oil type emulsion composition for impregnation comprising:
[0112] <2> The following components (A), (B), (C), (D) and (E): (A) a hydrophobically treated color pigment; (B) an acrylic silicone polymer; (C) one or more selected from polyether-modified silicones and polyglyceryl ether-modified silicones, (D) spherical silica, (E) Ester oil that is liquid at 25°C The cosmetic product comprises a holder impregnated with a water-in-oil emulsion composition containing the above-mentioned and housed in a compact container.
[0113] <3> The color pigment of component (A) preferably contains a metal oxide, more preferably contains one or more selected from titanium oxide, zinc oxide, yellow iron oxide, black iron oxide, and red iron oxide, and further preferably contains one or more selected from titanium oxide, yellow iron oxide, black iron oxide, and red iron oxide. <2> The cosmetic product described. <4> The hydrophobization treatment of component (A) preferably includes one or more treatments selected from an amino acid treatment, an acylated amino acid treatment, and an alkoxysilane treatment, more preferably includes one or more treatments selected from an alkylalkoxysilane treatment, an amino acid treatment, and an acylated amino acid treatment, still more preferably includes one or more treatments selected from an alkylalkoxysilane, disodium stearoyl glutamate, sodium lauroyl aspartate, and isopropyl triisostearoyl titanate, still more preferably includes one or more treatments selected from an alkylalkoxysilane, disodium stearoyl glutamate, and isopropyl triisostearoyl titanate, and still more preferably includes one or more treatments selected from an alkylalkoxysilane, disodium stearoyl glutamate, and isopropyl triisostearoyl titanate, and still more preferably includes disodium stearoyl glutamate treatment. <2> or <3> The cosmetic product described. <5> The content of component (A) is preferably 1% by mass or more, more preferably 3% by mass or more, and even more preferably 5% by mass or more, and is preferably 30% by mass or less, more preferably 25% by mass or less, and even more preferably 20% by mass or less, based on the total composition of the water-in-oil emulsion composition. <2> ~ <4> 10. A cosmetic composition according to any one of the preceding claims.
[0114] <6> The component (B) is preferably a vinyl polymer having a carbosiloxane dendrimer structure in a side chain, or an acrylic-silicone graft copolymer, and more preferably an acrylic-silicone graft copolymer. <2> ~ <5> 10. A cosmetic composition according to any one of the preceding claims. <7> The vinyl polymer having a carbosiloxane dendrimer structure in its side chain is preferably a silicone dendrimer-acrylic copolymer, more preferably an (acrylates / polytrimethylsiloxy methacrylate) copolymer. <6> The cosmetic product described. <8> The acrylic-silicone graft copolymer is preferably an (acrylates / dimethicone) copolymer, an (acrylates / ethylhexyl acrylate / dimethicone methacrylate) copolymer, and more preferably an (acrylates / ethylhexyl acrylate / dimethicone methacrylate) copolymer. <6> The cosmetic product described. <9> The content of component (B) is preferably 0.01% by mass or more, more preferably 0.1% by mass or more, and even more preferably 0.3% by mass or more, and is preferably 5% by mass or less, more preferably 3% by mass or less, and even more preferably 1% by mass or less, based on the total composition of the water-in-oil emulsion composition. <2> ~ <8> 10. A cosmetic composition according to any one of the preceding claims.
[0115] <10> Component (C) is a polyether-modified silicone, and PEG-8 dimethicone, PEG-10 dimethicone, PEG-12 dimethicone, or PEG-14 dimethicone is more preferred. <2> ~ <9> 10. A cosmetic composition according to any one of the preceding claims. <11> The component (C) is a polyglyceryl ether modified silicone, and is preferably lauryl PEG-10 tris(trimethylsiloxy)silylethyl dimethicone, cetyl diglyceryl tris(trimethylsiloxy)silylethyl dimethicone, cetyl PEG / PPG-10 / 1 dimethicone, lauryl PEG-9 polydimethylsiloxyethyl dimethicone, or lauryl PEG / PPG-18 / 18 methicone. <2> ~ <9> 10. A cosmetic composition according to any one of the preceding claims. <12> Component (C) is preferably represented by the following general formula (5):
[0116] [ka]
[0117] (R 31 and R 39 R are each independently a linear or branched hydrocarbon group, which may be the same or different, and which has a carbon number of 1 to 32 as a mode; 32 ~R 38 are each independently the same or different, a straight-chain or branched hydrocarbon group having 1 to 5 carbon atoms; Q is a straight-chain or branched divalent hydrocarbon group having 3 to 20 carbon atoms; R 40 and R 41are each independently a hydrogen atom or a straight-chain or branched hydrocarbon group having 1 to 28 carbon atoms, at least one of which is a hydrogen atom; p represents the number of repeating units, the average being 5 to 60; q represents the number of repeating units, the average being 2.5 to 10; and the constituent units of the repeating numbers p and q may be either a block copolymer or a random copolymer, provided that in the formula, at least one alkyl group having 10 or more carbon atoms is present. The alkyl glyceryl ether-modified silicone represented by the formula (I) is more preferably glyceryl undecyl dimethicone or bisalkyl (C16-18) glyceryl undecyl dimethicone. <2> ~ <9> 10. A cosmetic composition according to any one of the preceding claims. <13> The content of component (C) is preferably 0.1% by mass or more, more preferably 1% by mass or more, and even more preferably 2% by mass or more, and is preferably 12% by mass or less, more preferably 7% by mass or less, and even more preferably 5% by mass or less, based on the total composition of the water-in-oil emulsion composition. <2> ~ <12> 10. A cosmetic composition according to any one of the preceding claims.
[0118] <14> The spherical silica of component (D) preferably has a specific surface area of 150 m 2 / g or less, and 2 / g or less is more preferable, and 10m 2 / g or less, and even more preferably non-porous. <2> ~ <13> 10. A cosmetic composition according to any one of the preceding claims. <15> The spherical silica of component (D) preferably has a volume average particle size of 1 to 50 μm, more preferably 1 to 35 μm, even more preferably 2 to 25 μm, and even more preferably 3 to 15 μm. <2> ~ <14> 10. A cosmetic composition according to any one of the preceding claims. <16> The content of component (D) is preferably 0.1% by mass or more, more preferably 1% by mass or more, and even more preferably 2% by mass or more, preferably 20% by mass or less, more preferably 12% by mass or less, and even more preferably 8% by mass or less, based on the total composition of the water-in-oil emulsion composition. <2> ~ <15> 10. A cosmetic composition according to any one of the preceding claims.
[0119] <17> The mass ratio (A) / (D) of the component (A) to the component (D) is preferably 0.3 or more, more preferably 0.5 or more, and even more preferably 1 or more, and is preferably 15 or less, more preferably 7 or less, and even more preferably 5 or less. <2> ~ <16> 10. A cosmetic composition according to any one of the preceding claims. <18> The mass ratio (B) / (D) of the component (B) to the component (D) is preferably 0.01 or more, more preferably 0.03 or more, and even more preferably 0.05 or more, and is preferably 1 or less, more preferably 0.4 or less, and even more preferably 0.2 or less. <2> ~ <17> 10. A cosmetic composition according to any one of the preceding claims. <19> The mass ratio (C) / (D) of the component (C) to the component (D) is preferably 0.2 or more, more preferably 0.4 or more, and even more preferably 0.6 or more, and is preferably 5 or less, more preferably 3 or less, and even more preferably 1 or less. <2> ~ <18> 10. A cosmetic composition according to any one of the preceding claims.
[0120] <20> Component (E) is preferably an ester oil having a molecular weight of 300 or more, more preferably containing one or more selected from monoesters and diesters, even more preferably containing one or more selected from diisostearyl malate, neopentyl glycol dicaprate, isotridecyl isononanoate, cetyl ethylhexanoate, and propylene glycol dicaprate, and even more preferably containing at least one or two selected from diisostearyl malate and neopentyl glycol dicaprate. <2> ~ <19> 10. A cosmetic composition according to any one of the preceding claims. <21> The content of component (E) is preferably 3% by mass or more, more preferably 6% by mass or more, and even more preferably 10% by mass or more, and is preferably 40% by mass or less, more preferably 25% by mass or less, and even more preferably 16% by mass or less, based on the total composition of the water-in-oil emulsion composition. <2> ~ <20> 10. A cosmetic composition according to any one of the preceding claims.
[0121] <22> Preferably, the content of component (A) is 1 to 30 mass%, the content of component (B) is 0.01 to 5 mass%, the content of component (C) is 0.1 to 12 mass%, the content of component (D) is 0.1 to 20 mass%, and the content of component (E) is 3 to 40 mass%. <2> ~ <21> 10. A cosmetic composition according to any one of the preceding claims.
[0122] <23> The water-in-oil emulsion composition preferably further contains a volatile oil, and more preferably contains the volatile oil in an amount of 1 to 50% by mass based on the total composition of the water-in-oil emulsion composition. <2> ~ <22> 10. A cosmetic composition according to any one of the preceding claims. <24> The volatile oil is preferably one or more selected from volatile silicone oils and volatile hydrocarbon oils, and more preferably one or more selected from isododecane, hexamethyldisiloxane, methyltrimethicone, and dimethylpolysiloxane having a kinematic viscosity of 2 cSt or less at 25° C. <23> The cosmetic product described. <25> The content of the volatile oil is preferably 1% by mass or more, more preferably 4% by mass or more, and even more preferably 8% by mass or more, and is preferably 50% by mass or less, more preferably 35% by mass or less, and even more preferably 25% by mass or less, based on the total composition of the water-in-oil emulsion composition. <23> or <24> The cosmetic product described.
[0123] <26> The water-in-oil emulsion composition preferably further contains an alkyl-modified silicone that is liquid at 25° C., more preferably caprylyl methicone, cetyl dimethicone, alkyl (C26-28) dimethicone, stearyl dimethicone, or behenoxy dimethicone, and even more preferably caprylyl methicone. <2> ~ <25> 10. A cosmetic composition according to any one of the preceding claims. <27> The content of the alkyl-modified silicone that is liquid at 25°C is preferably 1% by mass or more, more preferably 2% by mass or more, and even more preferably 3% by mass or more, preferably 15% by mass or less, more preferably 10% by mass or less, and even more preferably 8% by mass or less, based on the total composition of the water-in-oil emulsion composition. <26> The cosmetic product described.
[0124] <28> The water-in-oil emulsion composition preferably contains no more than 1% by mass, more preferably no more than 0.1% by mass, and even more preferably is substantially free of organic resin powder. <2> ~ <27> 10. A cosmetic composition according to any one of the preceding claims. <29> The water-in-oil emulsion composition preferably has a water content of 3 to 50% by mass, more preferably 5 to 40% by mass, and even more preferably 10 to 30% by mass, based on the total composition. <2> ~ <28> 10. A cosmetic composition according to any one of the preceding claims.
[0125] <30> The water-in-oil emulsion composition is preferably a liquid water-in-oil emulsion cosmetic. <2> ~ <29> 10. A cosmetic composition according to any one of the preceding claims. <31> The viscosity of the water-in-oil emulsion composition at 30° C. is preferably 3,000 to 30,000 mPa·s, and more preferably 5,000 to 25,000 mPa·s. <2> ~ <30> 10. A cosmetic composition according to any one of the preceding claims.
[0126] <32> The support is preferably a foam, a porous body, or an aggregate of fibers, and more preferably an aggregate of polyester fibers. <2> ~ <31> 10. A cosmetic composition according to any one of the preceding claims. <33> The water-in-oil emulsion composition impregnated in the support is taken from the support with a finger or an applicator and applied to the skin. <2> ~ <32> 2. A method for using the cosmetic composition according to any one of claims 1 to 11.
[0127] <34> The following components (A), (B), (C), (D) and (E): (A) a hydrophobically treated color pigment; (B) an acrylic silicone polymer; (C) one or more selected from polyether-modified silicones and polyglyceryl ether-modified silicones, (D) spherical silica, (E) Ester oil that is liquid at 25°C The cosmetic kit comprises a holder impregnated with a water-in-oil emulsion composition containing the above and a compact container.
[0128] <35> The following components (A), (B), (C), (D) and (E): (A) a hydrophobically treated color pigment; (B) an acrylic silicone polymer; (C) one or more selected from polyether-modified silicones and polyglyceryl ether-modified silicones, (D) spherical silica, (E) Ester oil that is liquid at 25°C A water-in-oil emulsion composition comprising: EXAMPLES
[0129] Production Example 1 (Production of both terminal alkyl (C16-18) modified dimethylsiloxane-methyl (undecyl glyceryl ether) siloxane copolymer): (1) STEP-1 (synthesis of tetramethyldisiloxane having alkyl groups at both ends of the silicone chain that are different from the other alkyl groups in the silicone chain): 44.8 g of 1,1,3,3-tetramethyldisiloxane and 1.0 g of Spires catalyst (a 2% by mass solution of chloroplatinic acid in 2-propanol) were added to a three-neck flask and heated to 70°C. 174.2 g of α-olefin (Idemitsu Kosan's "Linealene 168", a 57 / 43 (mass ratio) mixture of carbon numbers 16 and 18) was added dropwise at 70°C under a nitrogen atmosphere, and the mixture was stirred for 2 hours. After cooling, the reaction system was neutralized with an aqueous sodium hydroxide solution and purified by distillation under reduced pressure. The resulting product 1 H-NMR spectrum (400 MHz) confirmed that the product obtained was a 1,1,3,3-tetramethyldisiloxane derivative having alkyl groups with 16 and 18 carbon atoms at both ends (22.1 g, yield: 85%).
[0130] (2) STEP-2 (synthesis of organohydrogenpolysiloxane having alkyl groups at both ends of the silicone chain that are different from the other alkyl groups in the silicone chain and having silicon-hydrogen bonds in the silicone chain): 44.8 g of the 1,1,3,3-tetramethyldisiloxane derivative with alkyl groups of 16 and 18 carbon atoms at both ends synthesized in (1), 78.6 g of decamethylcyclopentasiloxane, 19.8 g of 1,3,5,7-tetramethylcyclotetrasiloxane, 50 g of n-heptane, and 5 g of activated clay were added to a three-neck flask and refluxed for 12 hours. After cooling, the mixture was purified by distillation under reduced pressure. 1 H-NMR spectrum confirmed that the product obtained was a dimethylsiloxane / methylsiloxane copolymer (p=23, q=4) having alkyl groups with 16 and 18 carbon atoms at both ends (132.8 g, yield: 95%).
[0131] (3) STEP-3 (Synthesis of polysiloxane in which both ends are substituted with alkyl groups and the side chains are graft-modified with alkyl glyceryl ether groups): 50.0 g of the dimethylsiloxane / methylsiloxane copolymer having alkyl groups with 16 and 18 carbon atoms at both ends, synthesized in (2), 61.0 g of 10-undecenyl glyceryl ether, and 0.25 g of 5% by mass platinum-supported carbon catalyst were added to a three-neck flask and stirred at 70°C for 3 hours. After cooling, the mixture was purified by distillation under reduced pressure. 1 H-NMR spectrum confirmed that the product was a dimethylsiloxane-methyl(undecylglyceryl ether)siloxane copolymer (p=23, q=4) bearing alkyl groups with carbon numbers of 16 and 18 at both ends (63.0 g, yield: 95%). The resulting copolymer is a random copolymer represented by the general formula (5) as shown below. R 31 and R 39 = an alkyl group having a mode of 18 carbon atoms; R 32 ~R 38 = methyl group, Q=an alkylene group having 11 carbon atoms; R 40 and R 41 = Hydrogen atom p(mean)=23, q(average value)=4.0
[0132] Examples 1 to 7, Comparative Examples 1 to 2 A water-in-oil emulsion cosmetic (liquid foundation) having the composition shown in Table 1 was produced. The obtained water-in-oil emulsion cosmetic was impregnated into a support, and the finish uniformity, ability to cover uneven coloring, glossy finish, and resistance to makeup smudging were evaluated. The results are shown in Table 1.
[0133] (Manufacturing method) A water-in-oil emulsion cosmetic (liquid foundation) was produced by adding and dispersing a powder component containing components (A) and (D) to an oil phase component containing components (B), (C), and (E), and then adding an aqueous phase component and stirring with a homomixer. The obtained water-in-oil emulsion cosmetic was impregnated into a support (an assembly of polyester fibers).
[0134] (Evaluation method) (1) Uniformity of finish: Three expert panelists took each water-in-oil emulsion composition (support-impregnated foundation) with a puff and applied it to the skin, and the uniformity of the foundation finish was evaluated according to the following criteria. The results were shown as the total score of the three panelists. 5;There is absolutely no noticeable unevenness in the application. 4; Uneven application is not noticeable. 3; Uneven application is not very noticeable. 2: Uneven application is somewhat noticeable. 1: Uneven application is noticeable.
[0135] (2) Ability to cover uneven color: Three expert panelists took each water-in-oil emulsion composition (support-impregnated foundation) with a puff and applied it to the skin, and the ability to cover uneven skin tone was evaluated according to the following criteria. The results were shown as the total score given by the three panelists. 5;Uneven skin tone is not noticeable at all. 4;Uneven skin tone is not noticeable. 3;Uneven skin tone is less noticeable. 2;Uneven skin tone is somewhat noticeable. 1; Uneven skin tone is noticeable.
[0136] (3) Glossy finish: Three expert panelists took each water-in-oil emulsion composition (support-impregnated foundation) with a puff and applied it to the skin, and the glossiness of the finish was evaluated according to the following criteria. The results were shown as the total score of the three panelists. 5; Looks very shiny. 4;Looks lustrous. 3; Looks slightly glossy. 2;It doesn't look very shiny. 1;It doesn't look shiny.
[0137] (4) Prevents makeup from smudging: Three expert panelists took each water-in-oil emulsion composition (support-impregnated foundation) with a puff and applied it to the skin, and immediately thereafter evaluated the makeup smudging according to the following criteria. The results were shown as the total score given by the three panelists. 5;There is absolutely no makeup smudging. 4;No smudging of makeup. 3; My makeup doesn't smudge much. 2: The makeup is slightly creased. 1: The makeup is smudged.
[0138] [Table 1]
[0139] The water-in-oil emulsion cosmetics (liquid foundations) of Examples 1 to 7 can be filled in containers such as bottles and tubes without being impregnated into a support, and can be taken directly from the container with a finger or an applicator and applied to the skin. Even in this case, they have an excellent fit to the skin and excellent emulsion stability.
[0140] Examples 8 to 9 In the same manner as in Examples 1 to 7, water-in-oil emulsion cosmetics (liquid foundations) having the compositions shown in Table 2 were produced, and the resulting water-in-oil emulsion cosmetics were impregnated into a support (an assembly of polyester fibers). The obtained cosmetic composition has a uniform finish, is excellent in covering uneven coloring, is resistant to makeup smudging, has a glossy finish, and is also excellent in makeup durability. Furthermore, the obtained water-in-oil emulsion cosmetic can be filled into a container such as a bottle or tube without being impregnated into a support, and can be taken directly from the container with a finger or an applicator and applied to the skin. Even in this case, the cosmetic will fit well on the skin and will have excellent emulsion stability.
[0141] [Table 2]
Claims
1. The following components (A), (B), (C), (D) and (E): (A) a hydrophobically treated color pigment; (B) an acrylic silicone polymer; (C) one or more selected from polyether-modified silicones and polyglyceryl ether-modified silicones, (D) spherical silica, (E) Ester oil that is liquid at 25°C A water-in-oil type emulsion composition for impregnation comprising:
2. A cosmetic product comprising a holder impregnated with the water-in-oil emulsion composition according to claim 1 and housed in a compact container.
3. 3. The cosmetic preparation according to claim 2, wherein the hydrophobization treatment of component (A) includes one or more treatments selected from the group consisting of an amino acid treatment, an acylated amino acid treatment, and an alkoxysilane treatment.
4. The spherical silica of component (D) has a specific surface area of 150 m 2 The cosmetic preparation according to claim 2 or 3, wherein the viscosity is 100 / g or less.
5. 4. The cosmetic preparation according to claim 2 or 3, wherein the content of component (A) is 1 to 30 mass%, the content of component (B) is 0.01 to 5 mass%, the content of component (C) is 0.1 to 12 mass%, the content of component (D) is 0.1 to 20 mass%, and the content of component (E) is 3 to 40 mass%.
6. 4. The cosmetic preparation according to claim 2 or 3, wherein the mass ratio (B) / (D) of component (B) to component (D) is 0.01 to 1.
7. The cosmetic preparation according to claim 2 or 3, wherein the water-in-oil emulsion composition further contains 1 to 50% by mass of a volatile oil.
8. 4. The cosmetic preparation according to claim 2 or 3, wherein the water-in-oil emulsion composition has a water content of 3 to 50% by mass.
9. 4. The cosmetic according to claim 2 or 3, wherein the water-in-oil emulsion composition has a viscosity at 30° C. of 3,000 to 30,000 mPa·s.
10. 4. The cosmetic preparation according to claim 2 or 3, wherein the support is a foam, a porous body, or an aggregate of fibers.
11. 4. The cosmetic according to claim 2 or 3, wherein the support is an assembly of polyester fibers.
12. 4. A method for using the cosmetic preparation according to claim 2 or 3, characterized in that the water-in-oil emulsion composition impregnated in the support is taken from the support with a finger or an applicator and applied to the skin.
13. The following components (A), (B), (C), (D) and (E): (A) a hydrophobically treated color pigment; (B) an acrylic silicone polymer; (C) one or more selected from polyether-modified silicones and polyglyceryl ether-modified silicones, (D) spherical silica, (E) Ester oil that is liquid at 25°C The cosmetic kit comprises a holder impregnated with a water-in-oil emulsion composition containing the above and a compact container.
14. The following components (A), (B), (C), (D) and (E): (A) a hydrophobically treated color pigment; (B) an acrylic silicone polymer; (C) one or more selected from polyether-modified silicones and polyglyceryl ether-modified silicones, (D) spherical silica, (E) Ester oil that is liquid at 25°C A water-in-oil emulsion composition comprising:
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