Classifications

• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
  • A61K8/41—Amines
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/58—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing atoms other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur or phosphorus
  • A61K8/585—Organosilicon compounds
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
  • A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
  • A61K8/8141—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
  • A61K8/8152—Homopolymers or copolymers of esters, e.g. (meth)acrylic acid esters; Compositions of derivatives of such polymers
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
  • A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
  • A61K8/86—Polyethers
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
  • A61Q19/00—Preparations for care of the skin

Definitions

• the present invention relates to a cosmetic composition.
• Cosmetics that are applied to the skin are those that contain a thickener such as a water-soluble polymer to facilitate spreading during application, polyhydric alcohols such as glycerin as moisturizing ingredients, Some of them contain oil such as petrolatum.
• a thickener such as a water-soluble polymer to facilitate spreading during application
• polyhydric alcohols such as glycerin as moisturizing ingredients
• Some of them contain oil such as petrolatum.
• the conventional cosmetics containing such components have a problem that, as the sebum is secreted after application, shine due to the sebum is generated on the skin, resulting in an undesirable appearance.
• Patent Document 1 discloses a gel cosmetic containing a hydrophobic oil-absorbing powder, an alkyl-modified carboxyvinyl polymer, and a basic substance. Is described. Patent Document 2 contains dibasic acid esters and spherical powders such as silica and acrylic resin, and the dibasic acid is compatible with sebum to reduce sebum unevenness by reducing the surface tension of sebum. There is also described a skin external preparation that makes sebum shining inconspicuous due to the light diffusion effect of the spherical powder.
• the present invention includes the following components (A), (B), (C) and (D): (A) Tris (hydroxymethyl) aminomethane 0.01% by mass or more and 5% by mass or less, (B) Alkyl acrylate homopolymer or copolymer, alkyl methacrylate homopolymer or copolymer, alkyl acrylate / styrene copolymer, polyvinyl acetate polymer and vinyl acetate / alkyl acrylate copolymer 1 type or 2 types or more of water-insoluble polymers of 0.005 mass% or more and 5 mass% or less, (C) one or more selected from polyhydric alcohols having 3 to 8 carbon atoms and polymers thereof 0.1% by mass or more and 20% by mass or less, (D) It relates to a cosmetic composition containing water.
• the cosmetic described in Patent Document 1 has a problem that, although shine due to sebum is suppressed, skin desquamation is not improved and is conspicuous. Moreover, it is difficult to improve desquamation even if the sebum is not visually conspicuous like the external preparation for skin described in Patent Document 2, and there is also a problem in the sustainability of the shine prevention effect.
• the skin with desquamation means that the skin is white and powdered, the appearance of the keratin being turned up, the appearance of the keratin being fluffy, and the shining by the sebum is the sebum on the surface of the skin. Covered, with a greasy skin, said oily appearance, neither of which is generally a preferred appearance.
• the present invention relates to a cosmetic composition that can suppress the occurrence of shine due to sebum for a long period of time, improve skin desquamation, and realize a clean and preferable skin appearance.
• the present inventors applied the cosmetic composition containing tris (hydroxymethyl) aminomethane, a specific water-insoluble polymer, water, and a polyhydric alcohol to the skin to prevent the occurrence of shine due to sebum. It has been found that a favorable skin appearance with a clean feeling can be realized by suppressing the desquamation of the skin for a long period of time.
• the cosmetic composition of the present invention When the cosmetic composition of the present invention is applied to the skin, it can suppress the occurrence of shine due to sebum for a long time, improve the desquamation of the skin, and obtain a clean and preferable skin appearance.
• the component (A) tris (hydroxymethyl) aminomethane used in the present invention is 2-amino-2-hydroxymethyl-1,3-propanediol. Tris (hydroxymethyl) aminomethane is widely known as a buffer.
• Tris (hydroxymethyl) aminomethane is widely known as a buffer.
• the component (A) in combination with the component (B) described later it is possible to prevent skin desquamation while suppressing the shine caused by the sebum of the skin to which the cosmetic composition is applied.
• the content of the component (A) in the cosmetic composition of the present invention is 0.01% in the total composition from the viewpoint of suppressing shine due to sebum and preventing skin desquamation while suppressing stickiness immediately after application. % Or more, preferably 0.05% by weight or more, more preferably 0.1% by weight or more, 5% by weight or less, preferably 2.5% by weight or less, and more preferably 1% by weight or less. Further, the content of the component (A) is 0.01% by mass or more and 5% by mass or less, preferably 0.05% by mass or more and 2.5% by mass or less, and preferably 0.1% by mass or more and 1% by mass in the total composition. The mass% or less is more preferable.
• the water-insoluble polymer of component (B) is known as a film-forming polymer to be blended in mascara and hair styling (for example, JP-A-2008-63283).
• the combined use with the component (A) suppresses shine caused by sebum, prevents skin desquamation, and can maintain the effect of suppressing the shine and the effect of preventing skin desquamation. .
• the water-insoluble polymer of component (B) is a homopolymer or copolymer of alkyl acrylate, a homopolymer or copolymer of alkyl methacrylate, an alkyl acrylate / styrene copolymer, a polyvinyl acetate polymer, and vinyl acetate /
• alkyl acrylate copolymers from alkyl methacrylate homopolymers or copolymers, alkyl acrylate homopolymers or copolymers, and alkyl acrylate / styrene copolymers 1 type or 2 or more types selected is preferable, and 1 type or 2 or more types selected from the alkyl acrylate copolymer is more preferable.
• alkyl acrylate / styrene copolymer (styrene / alkyl acrylate) copolymer ammonium is preferable, and as a commercial product, Yodosol GH41F (manufactured by Akzo Nobel) can be used.
• vinyl acetate / alkyl acrylate copolymer vinylol 2140L (manufactured by Daido Kasei Kogyo Co., Ltd.) can be used as a commercial product.
• alkyl methacrylate copolymer ethyl acrylate / methyl methacrylate copolymer is preferable, and as a commercially available product, Daitosol 5000AD (manufactured by Daito Kasei Kogyo Co., Ltd.) can be used.
• an acrylic acid / alkyl acrylate copolymer is preferable, an acrylate / ethylhexyl acrylate copolymer is more preferable, and as a commercial product, Daitosol 5000SJ (manufactured by Daito Kasei Kogyo Co., Ltd.) is used. it can.
• Examples of the commercially available alkyl acrylate copolymer include iodosol GH34F (manufactured by Akzo Nobel) and iodosol GH800F (manufactured by Akzo Nobel).
• the water-insoluble polymer of component (B) is in the form of an emulsion (latex) dispersed in water, and it can be incorporated into the cosmetic composition to improve dispersibility in the cosmetic composition, prevention of desquamation and feeling of use. It is preferable from the point.
• the content of the water-insoluble polymer in the total amount of the emulsion is preferably 20 to 60% by mass as the solid content (as the resin content), more preferably 25 to 55% by mass, and the average particle size of the component (B) in the emulsion is
• the thickness is preferably 25 to 500 nm, more preferably 50 to 300 nm.
• the average particle diameter is an average particle diameter in a state dispersed in water and a wet state.
• the average particle size is measured at 25 ° C. using a laser diffraction / scattering particle size distribution analyzer (LA-920, manufactured by HORIBA, Ltd.) by a laser diffraction / scattering method using a particle size distribution measuring method.
• the water-insoluble polymer of component (B) is dispersed in water in a granular form. For example, an emulsion having a concentration of component (B) of 40 to 50% by mass becomes opaque or translucent.
• the content of the component (B) in the cosmetic composition of the present invention is 0.005 mass as a solid component (as a resin component) and as a solid component in terms of preventing skin desquamation while suppressing shine due to sebum. % To 5% by mass, and more preferably 0.02% by mass or more, more preferably 0.05% by mass or more from the viewpoint of suppressing stickiness immediately after application while improving the effect of preventing skin desquamation. Preferably, 2.5 mass% or less is preferable, and 1 mass% or less is more preferable.
• the content of the component (B) is preferably 0.02% by mass or more and 2.5% by mass or less, and 0.05% by mass or more and 1% by mass or less as a solid content (as a resin content) in the total composition. More preferred.
• the mass ratio of the component (A) to the component (B) is from the point of suppressing shine due to sebum and preventing skin desquamation. It is preferably 02 or more and 50 or less, more preferably 0.05 or more, further preferably 0.1 or more, and more preferably 20 or less from the viewpoint of improving the effect of suppressing shine due to sebum and suppressing stickiness immediately after application. 10 or less is more preferable.
• the mass ratio ((A) / (B)) of the component (A) to the component (B) is more preferably 0.05 or more and 20 or less, further preferably 0.05 or more and 10 or less, and 0.1 or more and 10 The following is even more preferable.
• (C) one or more selected from polyhydric alcohols having 3 to 8 carbon atoms and polymers thereof Contains 2 or more.
• Component (C) is one or two selected from glycerin, ethylene glycol, propylene glycol, 1,3-butylene glycol, isopropylene glycol, dipropylene glycol, 1,2-pentanediol, sorbitol, and polymers thereof. More than species are preferred.
• Content of the component (C) in the cosmetic composition of this invention is 0.1 mass% or more in all compositions, 1 mass% or more is preferable, 3 mass% or more is more preferable, and it is 20 mass% or less. Yes, 15 mass% or less is preferable, and 8 mass% or less is more preferable.
• the content of the component (C) is 0.1% by mass or more and 20% by mass or less, preferably 1% by mass or more and 15% by mass or less, and more preferably 3% by mass or more and 8% by mass or less. .
• the mass ratio of component (C) to component (B) improves the effect of preventing skin desquamation while suppressing shine due to sebum.
• 0.5 or more is preferable, 1 or more is more preferable, 3 or more is more preferable, 200 or less is preferable, 100 or less is more preferable, and 50 or less is more preferable.
• the mass ratio ((C) / (B)) of the component (C) and the component (B) is preferably 0.5 or more and 200 or less, more preferably 1 or more and 100 or less, and further preferably 3 or more and 50 or less.
• the cosmetic composition of the present invention contains (D) water.
• (D) Water is a medium of the cosmetic composition of the present invention, and the content in the cosmetic composition is 50 in the total composition from the point of obtaining a fresh feeling of use and reducing stickiness immediately after application. % By mass or more is preferable, 60% by mass or more is more preferable, 99% by mass or less is preferable, 98% by mass or less is more preferable, and 94% by mass or less is still more preferable.
• the content of the component (D) is preferably 50% by mass or more and 99% by mass or less, more preferably 60% by mass or more and 98% by mass or less, and still more preferably 60% by mass or more and 94% by mass or less.
• the cosmetic composition of the present invention can further contain (E) polyethylene glycol in order to maintain the effect of suppressing shine due to sebum and the effect of preventing skin desquamation.
• Component (E) is preferably polyethylene glycol having a molecular weight of 400 to 100,000, more preferably polyethylene glycol having a molecular weight of 1500 to 20000 which is solid at 25 ° C.
• the content of the component (E) in the cosmetic composition of the present invention is preferably 0.1% by mass or more, more preferably 0.5% by mass or more, preferably 7% by mass or less, and preferably 5% by mass in the total composition. The following is more preferable.
• 0.1 mass% or more and 7 mass% or less are preferable in the whole composition, and, as for content of a component (E), 0.5 mass% or more and 5 mass% or less are more preferable.
• the cosmetic composition of the present invention can further contain (F) dipotassium glycyrrhizinate in order to further improve the effect of suppressing shine due to sebum and preventing skin desquamation.
• the content of the component (F) in the cosmetic composition of the present invention is preferably 0.001% by mass or more, more preferably 0.01% by mass or more, still more preferably 0.05% by mass or more in the total composition. 1 mass% or less is preferable, 0.5 mass% or less is more preferable, and 0.1 mass% or less is still more preferable.
• 0.001 mass% or more and 1 mass% or less are preferable in content of a component (F), 0.01 mass% or more and 0.5 mass% or less are more preferable, 0.05 mass% or more 0.1 mass% or less is still more preferable.
• the mass ratio of component (A) to component (F) improves the effect of preventing skin desquamation while suppressing shine due to sebum. From the point, 0.01 or more is preferable, 0.05 or more is more preferable, 0.1 or more is more preferable, 5000 or less is preferable, 200 or less is more preferable, 10 or less is further more preferable, and 5 or less is still more preferable.
• the mass ratio ((A) / (F)) of the component (A) to the component (F) is preferably 0.01 or more and 5000 or less, more preferably 0.05 or more and 200 or less, and 0.1 or more and 10 or less. Is more preferable, and 0.1 or more and 5 or less are even more preferable.
• the cosmetic composition of the present invention can further contain (G) volatile silicone oil in order to further improve the effect of suppressing shine due to sebum and preventing skin desquamation.
• the volatile silicone refers to one having an evaporation amount of 20% or more at 25 ° C. and 6 hours, measured by the following method. (Measuring method) 1. A filter paper with a diameter of 90 mm is placed in a glass petri dish with a diameter of 120 mm, and 1 g of the sample is placed thereon. 2. Keep in a room at 25 ° C and 65% RH. 3. Measure sample residue after 6 hours.
• volatile silicones examples include octamethyltrisiloxane, decamethyltetrasiloxane, dodecamethylpentasiloxane, decamethylcyclopentasiloxane, 1,1,1,3,5,5,5-heptamethyl-3- And [(trimethylsilyl) oxy] -trisiloxane.
• volatile silicones examples include KF-96A-1cs (manufactured by Shin-Etsu Chemical Co., Octamethyltrisiloxane), KF-96A-1.5cs (manufactured by Shin-Etsu Chemical Co., Ltd., decamethyltetrasiloxane), KF-96A- 2cs (Shin-Etsu Chemical Co., dodecamethylpentasiloxane), KF-995 (Shin-Etsu Chemical Co., decamethylcyclopentasiloxane), TMF-1.5 (Shin-Etsu Chemical Co., Ltd., 1,1,1,3,5, 5,5-heptamethyl-3-[(trimethylsilyl) oxy] -trisiloxane), SH200C Fluid 1cs (Toray Dow Corning, Octamethyltrisiloxane), SH200C Fluid 1.5cs (Toray Dow Corning, Deca Methyltetrasiloxane), SH200C Fluid 2
• the content of the component (G) in the cosmetic composition of the present invention is preferably 0.1% by mass or more, more preferably 1% by mass or more, still more preferably 2% by mass or more, and 20% by mass or less in the total composition. Is preferable, 15 mass% or less is more preferable, and 10 mass% or less is still more preferable.
• the content of the component (G) is preferably 0.1% by mass or more and 20% by mass or less, more preferably 1% by mass or more and 15% by mass or less, and further preferably 2% by mass or more and 10% by mass or less. preferable.
• the cosmetic composition according to the present invention further improves the effect of suppressing skin shine due to sebum and preventing skin desquamation, so that one or more selected from (H) hydrocarbon oil and (I) ester oil are used.
• An oil agent can be contained.
• the sebum due to sebum is due to oiliness, but is selected from components (A), (B), (C) and (D), (H) hydrocarbon oils and (I) ester oils. Or by using together 2 or more types of oil agents, the effect of suppressing shine due to sebum can be improved unexpectedly, and skin desquamation can be prevented.
• the hydrocarbon oil of component (H) is preferably a hydrocarbon oil that is liquid at 25 ° C., one or two selected from liquid paraffin, light liquid paraffin, ⁇ -olefin oligomer, hydrogenated polyisobutene, polybutene, squalane, and squalene.
• the above hydrocarbon oils are preferred.
• the ester oil of component (I) is octyldodecyl myristate, isononyl isononanoate, isotridecyl isononanoate, octyldodecyl erucate, isopropyl myristate, isopropyl palmitate, octyl palmitate, diisostearyl malate, neopentyl glycol dicaprate
• one or more ester oils selected from (hydroxystearic acid / stearic acid / rosinic acid) dipentaerythrityl are preferred.
• the ester oil of component (I) is preferably an ester oil that is liquid at 25 ° C., specifically, octyldodecyl myristate, isononyl isononanoate, isotridecyl isononanoate, octyldodecyl erucate, isopropyl myristate, isopropyl palmitate, One or more kinds selected from octyl palmitate and neopentyl glycol dicaprate are preferable, and one or two kinds selected from isopropyl myristate and neopentyl glycol dicaprate are more preferable from the viewpoint of usability.
• ester oil can also contain vegetable oils, such as olive oil, palm oil, castor oil, sunflower oil, wheat germ oil, linseed oil, jojoba oil, and palm oil containing the said ester oil.
• the total content of component (H) and component (I) in the cosmetic composition of the present invention is preferably 0.01% by mass or more and 5% by mass or less, and 0.05% by mass or more and 3% by mass in total. The following is more preferable.
• the cosmetic composition of the present invention can contain (J) a nonionic surfactant in order to further improve the effect of suppressing shine due to sebum and preventing skin desquamation.
• Component (J) is sorbitan fatty acid ester, polyoxyalkylene sorbite fatty acid ester, polyoxyalkylene glycerin fatty acid ester, polyoxyalkylene fatty acid ester, polyoxyalkylene alkyl ether, polyoxyalkylene alkyl phenyl ether, polyoxyalkylene (cured) castor
• One or more selected from oil, sucrose fatty acid ester, polyglycerin alkyl ether, polyglycerin fatty acid ester, fatty acid alkanolamide and alkyl glucoside are preferable, polyoxyalkylene alkyl ether, polyglycerin fatty acid ester, sorbitan fatty acid ester, One or more selected from polyoxyethylene hydrogenated castor oil is more preferable, polyoxyalky
• the polyoxyalkylene alkyl ether is preferably one added with polyoxyethylene, such as polyoxyethylene lauryl ether, polyoxyethylene cetyl ether, polyoxyethylene isocetyl ether, polyoxyethylene stearyl ether, polyoxyethylene behenyl ether, polyoxyethylene.
• polyoxyethylene such as polyoxyethylene lauryl ether, polyoxyethylene cetyl ether, polyoxyethylene isocetyl ether, polyoxyethylene stearyl ether, polyoxyethylene behenyl ether, polyoxyethylene.
• polyoxyethylene such as polyoxyethylene lauryl ether, polyoxyethylene cetyl ether, polyoxyethylene isocetyl ether, polyoxyethylene stearyl ether, polyoxyethylene behenyl ether, polyoxyethylene.
• isostearyl ether and polyoxyethylene octyldodecyl ether are preferred.
• the polyglycerin fatty acid ester is one or two selected from polyglyceryl-2 diisostearate, polyglyceryl-2 triisostearate, polyglyceryl-3 diisostearate, polyglyceryl-6 diisostearate, polyglyceryl-10 triisostearate, polyglyceryl-2 oleate More than species are preferred.
• Sorbitan fatty acid esters include sorbitan monooleate, sorbitan monoisostearate, sorbitan monolaurate, sorbitan monopalmitate, sorbitan monostearate, sorbitan sesquioleate, sorbitan trioleate, diglycerol sorbitan penta-2-ethylhexylate, And one or more selected from diglycerol sorbitan tetra-2-ethylhexylate are preferred.
• the component (J) is preferably one or two selected from polyoxyethylene isocetyl ether and diglyceryl diisostearate from the viewpoint of further improving the effect of suppressing skin shine due to sebum and preventing skin desquamation.
• the content of the component (J) in the cosmetic composition of the present invention is 0.001% by mass in the total composition from the viewpoint of improving the effect of suppressing shine due to sebum and preventing skin desquamation, and the feeling of use.
• the content is preferably 5% by mass or less and more preferably 0.01% by mass or more and 3% by mass or less.
• the cosmetic composition of the present invention contains components (A), (B), (C) and (D) to prevent shine due to sebum, and (H) hydrocarbon oil and (I) ester oil Even if the oil agent selected from the above is used in combination, it is possible to suppress shine due to sebum, and to maintain the effect of suppressing shine due to sebum and the effect of preventing skin desquamation. Furthermore, the cosmetic composition of the present invention can contain other oils other than the components (G), (H) and (I) as long as the effects of the present invention are not inhibited.
• oils examples include cholesterol such as cholesterol, dihydrocholesterol, and phytosterol; higher alcohols such as cetanol, myristyl alcohol, stearyl alcohol, and behenyl alcohol; and silicone oils such as dimethicone and amino-modified silicone.
• the total content of other oils other than components (G), (H) and (I) is preferably 0.01% by mass or more and 15% by mass or less, and 0.05% by mass or more and 10% by mass in the total composition. The following is more preferable, and 0.1 mass% or more and 5 mass% or less is further more preferable.
• the cosmetic composition of the present invention preferably further contains a water-soluble polymer from the viewpoint of stability.
• a water-soluble polymer any of natural polymers, semi-synthetic polymers, and synthetic polymers can be used.
• natural polymers include xanthan gum, carrageenan, alginic acid and the like.
• semi-synthetic polysaccharide polymers include modified polysaccharides such as hydroxycellulose, hydroxypropylcellulose, sodium carboxymethylcellulose, methylcellulose, hydroxymethylcellulose, and cationized cellulose.
• Synthetic polymers include carbomers (cross-linked polyacrylic acid), polyacrylic acid, sodium polyacrylate, acrylic polymers such as acrylic acid / alkyl methacrylate copolymers; polyvinyl pyrrolidone, polyvinyl alcohol, cationized polyvinyl pyrrolidone, and the like. It is done. Of these, one or more selected from carbomers, acrylic acid / alkyl methacrylate copolymers, hydroxypropylcellulose, and sodium carboxymethylcellulose are preferred.
• Examples of commercially available carbomers include carbopol 910, carbopol 934, carbopol 940, carbopol 941, carbopol 980, carbopol 981 (manufactured by Lubrizol Advanced Materials, Inc.), and the like.
• Examples of commercially available polymers include Carbopol 1382, Carbopol ETD2020, PEMULEN TR-1, PEMULEN TR-2 (manufactured by Lubrizol Advanced Materials, Inc.) and the like
• commercially available products of hydroxypropylcellulose include HPC- Examples of commercially available products of M, HPC-H (manufactured by Nippon Soda), and sodium carboxymethylcellulose include CMC Daicel (manufactured by Daicel Chemical Industries).
• the content of the water-soluble polymer in the cosmetic composition is preferably 0.01% by mass or more, more preferably 0.05% by mass or more from the viewpoint of the stability of the composition, and the point of reducing stickiness immediately after application. Therefore, 3 mass% or less is preferable and 1 mass% or less is more preferable.
• moisturizing ingredients other than components (C), (E), (H) and (I) include lactic acid, amino acids, N-amidino-L-proline, ceramide and the like.
• Examples of the pH adjuster include acid components and base components that are usually used in cosmetics.
• Specific examples of such acid components include hydroxy acids such as citric acid, tartaric acid, malic acid, lactic acid and glycolic acid, amino acids such as glutamic acid and aspartic acid, dicarboxylic acids such as malonic acid, succinic acid and adipic acid, hydrochloric acid,
• Examples include inorganic acids such as phosphoric acid.
• the base component as the pH adjuster include alkali metal carbonates, alkali metal hydroxides, inorganic bases such as ammonia, alkanolamines such as monoethanolamine, triethanolamine, and aminomethylpropanediol. Can be mentioned.
• the cosmetic composition of the present invention preferably has a pH of 4 to 8, more preferably a pH of 5 to 7. The pH is measured at 25 ° C. without dilution.
• the cosmetic composition of the present invention is preferably in the form of a lotion or an emulsion, and can be produced according to a usual method.
• the cosmetic composition of the present invention can be applied directly to the face for the hand, or can be applied to a sheet substrate such as a woven fabric or a non-woven fabric.
• the cosmetic composition of the present invention is suitable for use on the skin of the face because it has the effect of preventing shininess and skin desquamation due to sebum. More preferred is a lotion or emulsion for facial skin.
• the cosmetic composition of the present invention can suppress facial shine and desquamation due to sebum when applied to the skin. Furthermore, it is also effective in preventing acne.
• the cosmetic composition of the present invention can be used as a sheet cosmetic by impregnating a sheet base material with a lotion or emulsion composition.
• a sheet base material any of natural fiber non-woven fabrics and woven fabrics, synthetic fiber non-woven fabrics and woven fabrics, and mixed non-woven fabrics and woven fabrics can be used.
• Sheet base materials include rayon, acetate, acrylic, polyester, polyethylene, polypropylene, polyurethane, polyamide, cotton, cupra, and non-woven fabrics or woven fabrics of these blends, pulp sheets produced by wet or dry methods, thermoplastic resins ( Those selected from pulp sheets reinforced with polyethylene, polypropylene, polyethylene terephthalate, etc.) are preferred.
• a sheet base material containing one or more components selected from pulp, rayon, lyocell, cotton, polyethylene, polyethylene terephthalate, and cupra is preferable in terms of excellent usability and transferability of active ingredients to the skin.
• the present invention is not limited to the above-described embodiment, and modifications, improvements, and the like within the scope that can achieve the object of the present invention are included in the present invention.
• the cosmetic composition of the present invention can be used as a shining inhibitor due to sebum.
• the present invention further discloses the following composition, production method and application.
• the mass ratio ((A) / (B)) of the component (A) to the component (B) is preferably 0.02 or more and 50 or less, more preferably 0.05 or more and 20 or less.
• the water-insoluble polymer of component (B) is preferably selected from alkyl acrylate homopolymers or copolymers, alkyl methacrylate homopolymers or copolymers, and alkyl acrylate / styrene copolymers.
• the water-insoluble polymer of ⁇ 5> component (B) is preferably selected from (styrene / alkyl acrylate) copolymer ammonium, ethyl acrylate / methyl methacrylate copolymer and acrylate / ethyl hexyl acrylate copolymer.
• the content of ⁇ 6> component (A) is preferably 0.05% by mass or more and 2.5% by mass or less, and more preferably 0.1% by mass or more and 1% by mass or less.
• component (B) is preferably 0.02% by mass or more and 2.5% by mass or less as a solid content, and more preferably 0.05% by mass or more and 1% by mass or less.
• Component (C) is preferably selected from glycerin, ethylene glycol, propylene glycol, 1,3-butylene glycol, isopropylene glycol, dipropylene glycol, 1,2-pentanediol, sorbitol and polymers thereof.
• the mass ratio of component (C) to component (B) ((C) / (B)) is preferably 0.5 or more and 200 or less, more preferably 1 or more and 100 or less, and 3 or more and 50 or less.
• the content of the component (C) is preferably 1% by mass or more and 15% by mass or less, and more preferably 3% by mass or more and 8% by mass or less.
• the content of ⁇ 11> component (D) is preferably 50% by mass to 99% by mass, more preferably 60% by mass to 98% by mass, and still more preferably 60% by mass to 94% by mass.
• ⁇ 14> The cosmetic composition according to any one of ⁇ 1> to ⁇ 13>, further comprising (F) dipotassium glycyrrhizinate.
• the content of ⁇ 15> component (F) is preferably 0.001% by mass or more and 1% by mass or less, more preferably 0.01% by mass or more and 0.5% by mass or less, and more preferably 0.05% by mass or more.
• ⁇ 16> The cosmetic composition according to any one of ⁇ 1> to ⁇ 15>, further comprising (G) a volatile silicone oil.
• the content of ⁇ 17> component (G) is preferably 0.1% by mass or more and 20% by mass or less, more preferably 1% by mass or more and 15% by mass or less, and further more preferably 2% by mass or more and 10% by mass or less.
• ⁇ 18> The cosmetic composition according to any one of ⁇ 1> to ⁇ 17>, comprising one or more oil agents selected from (H) hydrocarbon oils and (I) ester oils.
• the total content of components (H) and (I) is preferably 0.01% by mass to 5% by mass in total, more preferably 0.05% by mass to 3% by mass.
• cosmetic composition ⁇ 20>
• ⁇ 21> The cosmetic composition according to ⁇ 20>, wherein the content of the component (J) is preferably 0.001% by mass to 5% by mass and more preferably 0.01% by mass to 3% by mass. object.
• the mass ratio ((A) / (F)) between the component (A) and the component (F) is preferably 0.01 or more and 5000 or less, more preferably 0.05 or more and 200 or less.
• ⁇ 23> The cosmetic composition according to any one of ⁇ 1> to ⁇ 22>, which is a skin lotion or emulsion for facial skin.
• ⁇ 24> The cosmetic composition according to any one of ⁇ 1> to ⁇ 23>, which is obtained by blending an emulsion having an average particle size of 25 to 500 nm as the component (B).
• ⁇ 25> Use of the cosmetic composition according to any one of ⁇ 1> to ⁇ 24> for the production of a shine inhibitor with sebum.
• ⁇ 26> Use of the cosmetic composition according to any one of the above ⁇ 1> to ⁇ 24> for suppressing shine due to sebum on the skin of the face.
• ⁇ 27> A method for suppressing facial shine and desquamation due to sebum, wherein the cosmetic composition according to any one of ⁇ 1> to ⁇ 24> is applied to a face.
• Examples 1 to 30 and Comparative Examples 1 to 4 No cosmetics 3 hours and 6 hours after the manufacture and application of the cosmetic composition having the composition shown in Tables 1 to 4, no desquamation immediately after application, no desquamation 6 hours after application The lack of stickiness immediately after was evaluated. The results are also shown in Tables 1 to 4.
• Components other than components (B), (G), (H) and (I) are uniformly mixed with component (D), and then components (H), (I), (G) and (B) are sequentially added. And mixed to obtain a cosmetic composition. That is, in the method for producing the cosmetic composition of the present invention, the component (B), (G), (H) and (I) are mixed with the component (D) after the step of mixing the components (D). (G), (H) and (I) are added and mixed.
• Comparative Example 4 which does not contain the components (A) and (B) of the present invention and contains a hydrophobic oil-absorbing powder was excellent in the effect of suppressing shine due to sebum, it was recognized that desquamation was conspicuous. .
• Examples 31 and 32 The cosmetic compositions having the compositions shown in Table 5 were produced in the same manner as the compositions in Tables 1 to 4, and the absence of desquamation immediately after application and the non-stickiness immediately after application were evaluated. The results are shown in Table 5. About the composition shown in Table 5, the shine by sebum is suppressed.
• Formulation example Tris (hydroxymethyl) aminomethane 0.1 (mass%) Acrylic acid / alkyl acrylate / copolymer emulsion (* 1) 0.25 Polyoxyethylene isocetyl ether (* 2) 0.1 Diglyceryl diisostearate (* 3) 0.1 Glycerin 5.0 1,3-butylene glycol 3.5 Polyethylene glycol (PEG-1540) (* 5) 2.0 Succinic acid 0.01 Dipropylene glycol 1.0 Dimethylpolysiloxane 1.0 Glycine betaine 0.7 Sodium hydroxide (48%) 0.1 Acrylic acid / alkyl methacrylate copolymer (* 10) 0.2 Perfume 0.02 Ethylenediaminetetraacetic acid disodium 0.01 Phenoxyethanol 0.2 Liquid paraffin 0.5 Purified water balance ⁇ br/> Total 100.0
• Acrylic acid / alkyl acrylate copolymer emulsion Daitosol 5000SJ (manufactured by Daito Kasei Kogyo Co., Ltd.), average particle size 120 nm * 2) Polyoxyethylene isocetyl ether (20E.O.): Emulgen 1620G (manufactured by Kao Corporation) * 3) Diglyceryl diisostearate: Cosmol 42V (Nisshin Oillio Group) * 5) Polyethylene glycol: PEG-1540 (manufactured by Sanyo Chemical Co., Ltd.), average molecular weight: 1540 * 10) Acrylic acid / alkyl methacrylate copolymer: PEMULEN TR-1 (manufactured by Lubrizol Advanced Materials, Inc.)

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