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
  • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
  • A61K8/03—Liquid compositions with two or more distinct layers
• • 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
  • A61K8/44—Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof
• • 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
  • A61K8/89—Polysiloxanes
  • A61K8/891—Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone
• • 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
  • A61K8/89—Polysiloxanes
  • A61K8/891—Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone
  • A61K8/892—Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone modified by a hydroxy group, e.g. dimethiconol
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
  • A61Q1/00—Make-up preparations; Body powders; Preparations for removing make-up

Definitions

• the present invention relates to a finishing cosmetic composition and a cosmetic obtained by filling a dispenser-type container with the finishing cosmetic composition.
• finishing cosmetics that are used by being applied on a makeup-applied face have been developed (for example, Patent Document 1). .
• users are strongly demanding that the foundation does not easily adhere to the mask.
• Organic polymers, silicone-based resins, and the like have been proposed as film-forming agents used in base cosmetics that are directly applied to the skin and general makeup cosmetics (for example, Patent Document 2).
• the present invention is based on such findings, and discloses a cosmetic composition
• a cosmetic composition comprising oil, an oil-soluble coating agent that is a polymer having a specific structure, and water.
• the resin structure comprises a unit represented by SiO 4/2 or a unit represented by R 1 SiO 3/2 (R 1 is a C 1-6 alkyl group or a C 1-6 alkoxy group).
• the linear structure comprises units represented by R 2 SiO 2/2 (R 2 is a C 1-6 alkyl group or a C 1-6 alkoxy group);
• a finishing cosmetic composition comprising an oil-soluble coating agent, which is a polymer in which the resin structure and the linear structure are linked by Si—O—Si bonds, and (C) water.
• [3] The composition according to [1] or [2], wherein the polymer has a hydroxy group.
• the cosmetic according to [10] wherein the composition is sprayed in the form of a mist.
• the cosmetic of [10] or [11], wherein the composition is emulsified by shaking before use.
• the finishing cosmetics according to the present invention can suppress makeup collapse.
• the present invention relates to a finishing cosmetic composition (hereinafter sometimes referred to as composition) comprising (A) an oil component, (B) an oil-soluble coating agent having a specific structure, and (C) water.
• finishing cosmetic composition refers to a composition that is applied over makeup to impart a fixer function to the makeup, and includes base cosmetics that are directly applied to the skin and general makeup cosmetics. It is different from the fee. Specifically, after applying base makeup such as foundation and makeup such as eye shadow and blush, finishing cosmetics are applied. In a preferred form according to the present invention, the cosmetic finish according to the present invention is applied over foundation. As a result, the foundation can be prevented from adhering to the mask when the mask is worn.
• the composition according to the present invention is preferably a cosmetic composition that undergoes phase separation upon standing. Two or more phases may be present when standing still, but preferably two phases, typically in the order of oil phase and water phase when standing. By phase separation, it is possible to stably blend cosmetic ingredients, particularly active ingredients, suitable for each phase.
• the phase-separated composition is preferably emulsified by shaking before use. In a preferred embodiment of the present invention, by shaking, the separated oil phase and water phase are uniformly dispersed throughout to make the whole into a one-phase state, and then allowed to stand still to separate again.
• composition according to the present invention comprises (A) oil (hereinafter sometimes referred to as component (A).
• component (A) oil
• component (A) include silicone oils, hydrocarbon oils, higher fatty acids, higher alcohols, synthetic ester oils, liquid oils and fats, preferably silicone oils or hydrocarbon oils, more preferably silicone oils. be.
• silicone oils include linear polysiloxanes (eg, dimethylpolysiloxane, methylphenylpolysiloxane, diphenylpolysiloxane, etc.), cyclic polysiloxanes (eg, octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, dodecamethylcyclohexane siloxane, etc.), silicone resins that form a three-dimensional network structure, silicone rubber, various modified polysiloxanes (amino-modified polysiloxane, polyether-modified polysiloxane, alkyl-modified polysiloxane, fluorine-modified polysiloxane, etc.), acrylic silicone and the like, preferably chain polysiloxane.
• linear polysiloxanes eg, dimethylpolysiloxane, methylphenylpolysiloxane, diphenylpolysiloxane
• hydrocarbon oils examples include isododecane, isohexadecane, isoparaffin, liquid paraffin, ozokerite, squalane, pristane, paraffin, ceresin, squalene, petrolatum, and microcrystalline wax.
• higher fatty acids examples include lauric acid, myristic acid, palmitic acid, stearic acid, behenic acid, oleic acid, undecylenic acid, toric acid, isostearic acid, linoleic acid, linoleic acid, eicosapentaenoic acid (EPA), docosahexaenoic acid ( DHA) and the like.
• Higher alcohols include straight-chain alcohols (e.g., lauryl alcohol, cetyl alcohol, stearyl alcohol, behenyl alcohol, myristyl alcohol, oleyl alcohol, cetostearyl alcohol, etc.), branched-chain alcohols (e.g., monostearyl glycerin ether (bacyl alcohol )-2-decyltetradecinol, lanolin alcohol, cholesterol, phytosterol, hexyldodecanol, isostearyl alcohol, octyldodecanol, etc.).
• straight-chain alcohols e.g., lauryl alcohol, cetyl alcohol, stearyl alcohol, behenyl alcohol, myristyl alcohol, oleyl alcohol, cetostearyl alcohol, etc.
• branched-chain alcohols e.g., monostearyl glycerin ether (bacyl alcohol )-2-decyltetradecinol, lanolin
• Synthetic ester oils include, for example, octyl octanoate, nonyl nonanoate, cetyl octanoate, isopropyl myristate, octyldodecyl myristate, isopropyl palmitate, ethylhexyl palmitate, butyl stearate, hexyl laurate, myristyl myristate, olein Decyl acid, hexyldecyl dimethyloctanoate, cetyl lactate, myristyl lactate, lanolin acetate, isocetyl stearate, isocetyl isostearate, cholesteryl 12-hydroxystearate, ethylene glycol di-2-ethylhexanoate, dipentaerythritol fatty acid ester, mono N-alkyl glycol isostearate, neopentyl glycol dicaprate, trip
• liquid fats and oils include avocado oil, camellia oil, macadamia nut oil, corn oil, olive oil, rapeseed oil, sesame oil, persic oil, wheat germ oil, sasanqua oil, castor oil, linseed oil, safflower oil, cottonseed oil, and eno oil. , soybean oil, peanut oil, tea seed oil, kaya oil, rice bran oil, sinagiri oil, Japanese pear oil, jojoba oil, germ oil, triglycerin and the like.
• solid fats and oils include cacao butter, coconut oil, hydrogenated coconut oil, palm oil, palm kernel oil, Japanese wax kernel oil, hydrogenated oil, Japanese wax, hydrogenated castor oil, and the like.
• the blending amount of component (A) is preferably 1 to 20% by mass, more preferably 3 to 15% by mass, based on the total amount of the composition according to the present invention. Within this range, good phase separation can be obtained, and stickiness and shine when applied to the skin can be suppressed.
• composition according to the present invention is an oil-soluble coating agent comprising a resin structure and a linear structure
• the resin structure comprises units represented by SiO 4/2 or units represented by R 1 SiO 3/2 (R 1 is a C 1-6 alkyl group or a C 1-6 alkoxy group)
• the linear structure comprises units represented by R 2 SiO 2/2 (R 2 is a C 1-6 alkyl group or a C 1-6 alkoxy group);
• It comprises an oil-soluble coating agent (hereinafter sometimes referred to as oil-soluble coating agent, polymer, or component (B)), which is a polymer in which a resin structure and a linear structure are linked by Si—O—Si bonds.
• the oil-soluble coating agent used in the present invention has both a resin structure and a linear structure.
• a polymer has only a resin structure, it is excellent in film-forming properties and adhesiveness derived from its structure, but sometimes lacks flexibility and conformability.
• the polymer has both flexibility and followability.
• a soft and sticky film can be formed by applying a cosmetic containing an oil-soluble film-forming agent having such characteristics.
• a cosmetic containing an oil-soluble film-forming agent having such characteristics.
• the resin structure has a unit represented by SiO 4/2 (hereinafter sometimes referred to as a Q unit) or R 1 SiO 3/2 (R 1 is a C 1-6 alkyl group or a C 1-6 alkoxy group). , preferably a methyl group, an ethyl group, a propyl group, a methoxy group, an ethoxy group or a propoxy group, more preferably a methyl group) (hereinafter sometimes referred to as a T unit). and preferably comprises Q units.
• the resin structure is (R 3 ) 3 SiO 1/2 (R 3 is a C 1-6 alkyl group or a C 1-6 alkoxy group, preferably a methyl group, an ethyl group, a propyl group , a methoxy group, an ethoxy group or a propoxy group, more preferably a methyl group) (hereinafter sometimes referred to as an M unit).
• the resin structure comprises M units and Q units, more preferably a structure consisting of M units and Q units (MQ structure).
• the linear structure is R 2 SiO 2/2 (R 2 is a C 1-6 alkyl group or a C 1-6 alkoxy group, preferably a methyl group, an ethyl group, a propyl group, a methoxy group, an ethoxy group or a propoxy group. and more preferably a methyl group) (hereinafter sometimes referred to as a D unit).
• R 2 is a C 1-6 alkyl group or a C 1-6 alkoxy group, preferably a methyl group, an ethyl group, a propyl group, a methoxy group, an ethoxy group or a propoxy group. and more preferably a methyl group
• a D unit a methyl group
• the portion where a plurality of D units, preferably 5 or more, are connected has a linear structure
• the other portion where Q units, T units, D units and M units are mixed has a resin structure.
• the linear structure preferably has a hydroxy group (silanol group) at the end of the molecular chain.
• the linking portion between the resin structure and the linear structure is linked by a Si--O--Si bond, and there may be a plurality of structures linked by this Si--O--Si bond in the molecule.
• the Si atoms attached to the resin structure are T units.
• the mass ratio of the resin structure and the linear structure contained in one polymer molecule is preferably 50:50 to 95:5, more preferably 60:40 to 90:10.
• the (B) component is preferably a silicone-based coating agent, more preferably a silicone resin gum.
• a silicone resin gum examples include (trimethylsiloxysilicate/dimethiconol) crosspolymers.
• the mass-average molecular weight of component (B) is preferably 5,000 to 100,000, more preferably 10,000 to 50,000, from the viewpoint of its function as a coating agent and solubility.
• the weight average molecular weight is a polystyrene-equivalent value obtained by gel permeation chromatography.
• the component (B) can be blended either alone or in combination of two or more.
• the blending amount of component (B) is preferably 0.05 to 5% by mass, more preferably 1 to 5% by mass, based on the total amount of the composition according to the present invention.
• composition according to the present invention comprises (C) water.
• water water used in cosmetics, quasi-drugs, etc. can be used, and for example, purified water, ion-exchanged water, tap water, etc. can be used.
• the amount of water to be incorporated is preferably 40-95% by weight, more preferably 60-95% by weight, based on the total weight of the composition according to the invention.
• composition according to the present invention preferably further contains a surfactant.
• surfactants include anionic surfactants, cationic surfactants, amphoteric surfactants and nonionic surfactants, preferably nonionic surfactants or amphoteric surfactants, more preferably is an amphoteric surfactant.
• Amphoteric surfactants include, for example, imidazoline-based amphoteric surfactants (e.g., 2-undecyl-N,N,N-(hydroxyethylcarboxymethyl)-2-imidazoline sodium, 2-cocoyl-2-imidazolinium hydroxide side-1-carboxyethyloxy disodium salt, etc.); betaine surfactants (e.g., lauryl betaine, cocamidopropyl betaine, aminobetaine, sulfobetaine, etc.), etc., preferably betaine surfactants. be.
• imidazoline-based amphoteric surfactants e.g., 2-undecyl-N,N,N-(hydroxyethylcarboxymethyl)-2-imidazoline sodium, 2-cocoyl-2-imidazolinium hydroxide side-1-carboxyethyloxy disodium salt, etc.
• betaine surfactants e.g., lauryl
• the surfactant content is preferably 0.01 to 0.2% by mass, more preferably 0.02 to 0.1% by mass, based on the total amount of the composition according to the present invention.
• Compositions according to the invention may comprise sodium chloride.
• sodium chloride in the case of a cosmetic composition that undergoes phase separation, the phase boundary can be made clear, and the separation speed can be adjusted.
• the amount of sodium chloride compounded is preferably 0.01 to 0.5% by weight, more preferably 0.05 to 0.3% by weight, relative to the total amount of the composition according to the invention. By setting it to this range, stickiness due to sodium chloride can be suppressed, the interface can be cleared, and the separation speed can be increased.
• Compositions according to the invention may contain lower alcohols. By blending a lower alcohol, the specific gravity of the composition can be reduced. In addition, it is possible to impart a refreshing feeling of use.
• lower alcohols include ethanol, propanol, isopropanol, isobutyl alcohol, t-butyl alcohol and the like.
• the amount of the lower alcohol compounded is preferably 1-45% by mass, more preferably 5-30% by mass, relative to the total amount of the composition according to the present invention.
• ingredients commonly used in cosmetics such as moisturizers, thickeners, bactericides, preservatives, pH adjusters, ultraviolet absorbers, antioxidants, organic and inorganic powders, fragrances, Examples include pigments, dyes, whitening agents, vitamins, and various amino acids.
• composition according to the present invention can be produced according to conventional methods.
• the cosmetic according to the present invention is a cosmetic obtained by filling a dispenser-type container with the composition according to the present invention.
• the composition according to the invention is sprayed from this container in the form of a mist. Since the composition according to the present invention is sprayed in the form of a mist, it can be applied uniformly without direct contact with the skin, so that it is thin, uniform, and does not easily rub on top of the makeup without ruining the makeup. A film can be formed.
• Examples 1 to 6 and Comparative Examples 1 to 3 Compositions of Examples 1-6 and Comparative Examples 1-3 were prepared with the formulations shown in Table 1. When the appearance of the prepared compositions was observed while standing still, all of them were separated into two phases. In the table, As the (trimethylsiloxysilicate/dimethiconol) crosspolymer, "DOWSIL FC-5004 DM (1.5 cSt Silicone Resin Gum)" (Dow Toray Industries, Inc.) was used.
• DOWSIL FC-5004 DM (1.5 cSt Silicone Resin Gum) is a product containing a (trimethylsiloxysilicate/dimethiconol) crosspolymer dissolved in a low-viscosity dimethicone liquid, but is listed in the table. % by mass refers only to the (trimethylsiloxysilicate/dimethiconol) crosspolymer, and does not include the solvent or the like contained in the product.
• compositions of Examples 1 to 6 were placed in a dispenser-type spray container and applied to the face after makeup by spraying. When it was checked after 8 hours had passed, no make-up collapse or wrinkling was observed, and the make-up did not fade.

Landscapes

• Life Sciences & Earth Sciences (AREA)
• Health & Medical Sciences (AREA)
• Animal Behavior & Ethology (AREA)
• General Health & Medical Sciences (AREA)
• Public Health (AREA)
• Veterinary Medicine (AREA)
• Birds (AREA)
• Epidemiology (AREA)
• Cosmetics (AREA)

Priority Applications (2)

Applications Claiming Priority (2)

Publications (1)

Family

ID=84323100

Family Applications (1)

Country Status (3)

Cited By (1)

Citations (4)

• 2022
  • 2022-05-25 JP JP2023525750A patent/JPWO2022255177A1/ja active Pending
  • 2022-05-25 CN CN202280032811.2A patent/CN117279617A/zh active Pending
  • 2022-05-25 WO PCT/JP2022/021325 patent/WO2022255177A1/ja not_active Ceased

Patent Citations (4)

Also Published As

Similar Documents

Legal Events