CN114040747B - Oil-in-water type emulsified cosmetic - Google Patents
Oil-in-water type emulsified cosmetic Download PDFInfo
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- CN114040747B CN114040747B CN202080046490.2A CN202080046490A CN114040747B CN 114040747 B CN114040747 B CN 114040747B CN 202080046490 A CN202080046490 A CN 202080046490A CN 114040747 B CN114040747 B CN 114040747B
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- oil
- alcohol
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- cosmetic
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- 239000002537 cosmetic Substances 0.000 title claims abstract description 90
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- 239000000843 powder Substances 0.000 claims abstract description 48
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000002736 nonionic surfactant Substances 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 14
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- 229910052742 iron Inorganic materials 0.000 claims abstract description 3
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- 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
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
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- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/34—Alcohols
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
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Abstract
The purpose of the present invention is to provide a cosmetic which is an oil-in-water emulsion cosmetic, can stably retain a powder component having a soft focus effect, and has an effect which is not available in conventional correction cosmetics, such as imparting a tightening sensation. The present invention provides an oil-in-water emulsion cosmetic characterized by comprising: (A) 1 to 10 mass% of a higher alcohol, (B) 2 to 20 mass% of a nonionic surfactant, (C) a silicone elastomer powder, (D) a coloring material, (E) water, and (F) an oil component, wherein the (D) coloring material contains (D1) a coloring pigment containing 0.5 mass% or more of an oxide of iron.
Description
Technical Field
The present invention relates to an oil-in-water emulsion cosmetic. More specifically, the present invention relates to an oil-in-water emulsion cosmetic which has an excellent correction effect of concealing the defects of the skin, and which can be flexibly attached to the skin to impart a firm feel.
Background
The "cosmetic effect" which is one of the important effects required for makeup cosmetics such as foundations includes skin tone adjustment and unevenness correction of pores. A conventional foundation or the like contains a powder component having a high refractive index for correcting skin color and having a light diffusion effect so that irregularities in skin become less noticeable (patent document 1).
In order to mix the powder component having the soft focus effect described above into the product and to continuously exert the effect, it is necessary to uniformly disperse the powder component in the cosmetic. In particular, oil-in-water emulsion cosmetics have an advantage of imparting a moist feel when applied to the skin, but it is difficult to stably retain a powder component having a hydrophobic surface.
Patent document 2 describes an aqueous cosmetic in which a hydrophobic powder is blended in an aqueous phase having an α -gel structure introduced therein, and patent document 3 describes an oil-in-water emulsion cosmetic in which an α -gel structure is introduced in an aqueous phase, a specific sugar ester is blended in an oil phase, and a liquid higher fatty acid having a powder dispersing effect is blended in the oil phase, whereby the stability of the hydrophobic powder in the inner oil phase is improved. The cosmetics described in these documents exhibit a correction effect based on the powder component to be blended, but if the amount of the powder component is increased, it is difficult to maintain stability, and there is a concern that the hydrophobic powder dispersed in the inner oil phase seeps out to the outer water phase and color streaks occur. In addition, these cosmetics cannot impart a tightening sensation to the skin.
Conventionally, a water-soluble polymer having film-forming properties such as polyvinyl alcohol has been blended in cosmetics for imparting a firm feel to the skin (patent document 4). The film formed of these water-soluble polymers has an effect of extending fine wrinkles and imparting a firm feel to the skin. However, there is a problem that the coating film hardens with time and gives a tension.
Prior art literature
Patent literature
Patent document 1: japanese patent application laid-open No. 2011-201829
Patent document 2: WO 2017/150319
Patent document 3: japanese patent No. 5913411
Patent document 4: japanese patent application laid-open No. 2011-148716
Disclosure of Invention
Problems to be solved by the invention
The purpose of the present invention is to provide a cosmetic which is an oil-in-water emulsion cosmetic, stably retains a powder component having a soft focus effect, has excellent feel in use and skin correction effects, and has effects which are not found in conventional correction cosmetics, such as a cosmetic which imparts a firm feel without making fine wrinkles or sagging noticeable.
Solution for solving the problem
The present inventors have conducted intensive studies to solve the above problems, and as a result, found that: in an oil-in-water emulsion cosmetic in which an α gel structure is introduced into an aqueous phase, the above problems can be solved by adjusting the blending amount of the components constituting the α gel to a specific range and blending the silicone elastomer powder.
Namely, the present invention provides an oil-in-water emulsion cosmetic comprising:
(A) 1 to 10 mass% of a higher alcohol,
(B) 2 to 20 mass% of nonionic surfactant,
(C) Silicone elastomer powder,
(D) A coloring material,
(E) Water, and
(F) An oil component is used for the oil,
the coloring material (D) contains (D1) a coloring pigment containing 0.5 mass% or more of an oxide of iron.
ADVANTAGEOUS EFFECTS OF INVENTION
The oil-in-water emulsion cosmetic of the present invention contains a large amount of an α -gel constituent component, and these components form, together with water, lamellar aggregates (α -gels) that hold water between hydrophilic portions of lamellar crystals, thereby thickening the entire cosmetic system and forming a gel having softness and moderate hardness. Therefore, the emulsion stability is significantly improved, and the state in which the compounded powder component is uniformly dispersed can be maintained. On the other hand, by containing the silicone elastomer powder having a soft focus effect as the powder component, the composition does not cause stickiness even if the amount of the α -gel constituent component is increased, and not only can the correction effect be maintained for a long period of time, but also soft, and firm feeling can be imparted to the skin by making fine wrinkles and sagging less noticeable at the time of use.
Detailed Description
(A) Higher alcohols
The higher alcohol (a) to be blended in the oil-in-water emulsion cosmetic of the present invention (hereinafter also referred to simply as "cosmetic of the present invention") is not particularly limited as long as it can be used in the fields of cosmetics, pharmaceuticals, quasi-pharmaceuticals and the like, and examples thereof include saturated linear monohydric alcohols, unsaturated monohydric alcohols and the like.
Examples of the saturated straight-chain monohydric alcohol include dodecanol (lauryl alcohol), tridecyl alcohol, tetradecyl alcohol (myristyl alcohol), pentadecyl alcohol, hexadecyl alcohol (cetyl alcohol), heptadecyl alcohol, octadecyl alcohol (stearyl alcohol), nonadecyl alcohol, eicosanyl alcohol (arachidyl alcohol), heneicosanyl alcohol, docosyl alcohol (behenyl alcohol), tricosyl alcohol, tetracosyl alcohol (carnauba alcohol), pentacosyl alcohol, and hexacosyl alcohol (ceryl alcohol). Examples of the unsaturated monohydric alcohol include terpineol and the like. In the present invention, a saturated linear monohydric alcohol is preferred in terms of stability over time.
(A) The higher alcohol may be used in an amount of 1 or 2 or more. In the present invention, a mixture of 2 or more aliphatic alcohols is preferably used, and more preferably a combination of the mixture having a melting point of 60℃or higher. When the melting point is lower than 60 ℃, the temperature stability of the system may be lowered depending on the formulation. In the present invention, a higher alcohol having a linear saturated alkyl group of 12 to 22 carbon atoms is preferably used, for example, a combination of stearyl alcohol and behenyl alcohol is particularly preferred.
(A) The amount of the higher alcohol to be blended is 1 to 10% by mass, preferably 2 to 8% by mass, based on the total amount of the oil-in-water emulsion cosmetic. (A) When the amount of the higher alcohol blended is less than 1% by mass, the skin cannot be given a firm feel, and when it exceeds 10% by mass, sufficient emulsion stability may not be obtained.
(B) Nonionic surfactant
The nonionic surfactant (B) used in the oil-in-water emulsion cosmetic of the present invention is not particularly limited. Specific examples thereof include polyethylene glycol fatty acid esters, polyoxyethylene fatty acid glycerides, polyoxyethylene/methylpolysiloxane copolymers, polyoxyethylene sorbitan fatty acid esters, polyoxyethylene alkyl ethers, maltitol hydroxy fatty acid alkyl ethers, alkylated polysaccharides, alkyl glycosides, sucrose fatty acid esters, polyoxyethylene hardened castor oil glycerides, polyoxyethylene sorbitol fatty acid esters, polyoxyethylene/polyoxypropylene block copolymers, tetra polyoxyethylene/tetra polyoxypropylene-ethylenediamine condensates, polyoxyethylene-beeswax/lanolin derivatives, alkanolamides, polyoxyethylene-propylene glycol fatty acid esters, polyoxyethylene-alkylamines, polyoxyethylene-fatty acid amides, alkyl ethoxy dimethylamine oxides, triol phosphates, and the like. These nonionic surfactants may be compounded by compounding 1 or 2 or more in combination.
In the present invention, among the nonionic surfactants (B), those having a hydrophilic property, for example, a HLB of 8 or more or a HLB of 10 or more are preferably used. In the present specification, HLB of 2 or more surfactants is a value obtained by weight-averaging based on the blending amount of each surfactant.
The nonionic surfactant (B) in the present invention preferably comprises: (b1) Surfactants that primarily aid in the formation of alpha gels (surfactant 1), and (b 2) surfactants that primarily aid in the emulsification of the entire cosmetic system (surfactant 2). The (b 1) 1 st nonionic surfactant and (b 2) 2 nd nonionic surfactant may be composed of the same or different substances, but are preferably hydrophilic.
As the (b 1) 1 st surfactant, an ether of a linear saturated alkyl group (preferably having 12 to 22 carbon atoms) and a polyalkylene glycol (polyethylene oxide, polypropylene oxide, polybutylene oxide, etc.) is preferably used. Specific examples thereof include glycerol monostearate (batyl alcohol), POE (20) cetyl ether, POE (30) cetyl ether, POE (20) stearyl ether, POE (25) stearyl ether, POE (30) stearyl ether, POE (20) behenyl ether, POE (30) behenyl ether, POE (20) glyceryl monostearate, POE (60) glyceryl monostearate, POE (20) sorbitan monostearate, sorbitan cocoate, PEG-7 glyceryl cocoate, lauramide MEA, laurylpyridinium chloride, PEG-32 laurate, PEG-40 hardened castor oil laurate, PEG-14 oleate, polyglycerol-6 oleate, PEG-32 dilaurate, PEG-11 cocoamide, and the like, but are not limited thereto. Examples of the ether include, inter alia, POE (20) cetyl ether, POE (30) cetyl ether, POE (20) stearyl ether, POE (30) stearyl ether, POE (20) behenyl ether, and POE (30) behenyl ether.
As the (b 2) 2 nd surfactant, a surfactant having a relatively bulky molecular structure is preferable. Specifically, for example, at least 1 nonionic surfactant selected from the group consisting of polyoxyethylene hardened castor oil (10 e.o.), polyoxyethylene hardened castor oil (20 e.o.), polyoxyethylene hardened castor oil (30 e.o.), polyoxyethylene hardened castor oil (40 e.o.), polyoxyethylene hardened castor oil (50 e.o.), polyoxyethylene hardened castor oil (60 e.o.), polyoxyethylene hardened castor oil (100 e.o.), and the like, polyoxyethylene glyceryl stearate, polyoxyethylene glyceryl isostearate, polyoxyethylene glyceryl triisostearate, and polyoxyethylene hardened castor oil succinate is preferably used.
The total amount of the (B1) 1 st surfactant and (B2) 2 nd surfactant in the cosmetic of the present invention is 2 to 20% by mass based on the total amount of the oil-in-water emulsion cosmetic. (b1) The blending amount of each of the 1 st surfactant and (b 2) 2 nd surfactant is preferably in the range of 1 to 10% by mass relative to the total amount of the oil-in-water emulsified cosmetic.
(b1) When the amount of the 1 st nonionic surfactant is less than 1 mass%, sufficient α gel cannot be formed to impart a firm feel to the skin, and when it is more than 10 mass%, the composition may become a cause of tackiness. (b2) When the amount of the 2 nd nonionic surfactant is less than 1 mass%, the emulsion stability of the whole cosmetic becomes insufficient, and when it is compounded in an amount exceeding 10 mass%, the formation of an α gel may be inhibited.
(C) Silicone elastomer powder
The silicone elastomer powder (C) used in the cosmetic of the present invention is not particularly limited, but a spherical silicone elastomer powder is preferable. Among them, a white spherical silicone composite powder obtained by coating spherical silicone rubber powder with silicone resin is preferably used. The average particle diameter of the silicone elastomer spherical powder is preferably in the range of 0.1 to 100. Mu.m, more preferably 1 to 50. Mu.m. The JIS-A hardness of the silicone elastomer spherical powder is preferably in the range of 10 to 80.
As the silicone elastomer powder (C) in the present invention, for example, 1 or 2 or more kinds selected from (vinyl polydimethylsiloxane/polymethylsilsesquioxane) crosslinked polymer, (diphenyl polydimethylsiloxane/vinyl diphenyl polydimethylsiloxane/silsesquioxane) crosslinked polymer, polysiloxane-1 crosslinked polymer, polysiloxane-22, (polydimethylsiloxane/vinyl polydimethylsiloxane/polymethylsiloxane) crosslinked polymer, and (polydimethylsiloxane/vinyl polydimethylsiloxane) crosslinked polymer among the names of the cosmetic component display can be suitably used.
(c) The silicone elastomer powder may be commercially available, and examples thereof include (vinyl polydimethylsiloxane/polymethylsiloxane silsesquioxane) crosslinked polymers [ product name: KSP-100, KSP-101, KSP-102, KSP-105 (manufactured by Xinyue chemical Co., ltd.) [ product name: KSP-411 (manufactured by Xinyue chemical industry Co., ltd.), polysiloxane-22 [ product name: KSP-441 (made by Xinyue chemical industries Co., ltd.), (polydimethylsiloxane/vinyl polydimethylsiloxane) crosslinked polymer [ product name: TREFIL E-506S, TREFIL E-508 (manufactured by Dow Chemical Company), and the like. Among them, silicone elastomer powder of KSP series manufactured by Xinyue chemical industry Co., ltd., namely, (vinyl polydimethylsiloxane/polymethylsiloxane silsesquioxane) crosslinked polymer, polysiloxane-1 crosslinked polymer, and/or polysiloxane-22 are preferably used.
The blending amount of the silicone elastomer powder (C) in the cosmetic of the present invention is preferably 1 to 10 mass%, more preferably 2 to 8 mass%. (C) If the blending amount of the silicone elastomer powder is less than 1 mass% relative to the total amount of the cosmetic, the effect of correcting irregularities is not sufficiently exhibited, and tackiness may occur. If the amount exceeds 10% by mass, the coating feel may be reduced when the coating is applied.
In the cosmetic of the present invention, it is preferable that the ratio of the blending amount of the silicone elastomer powder (C) to the total blending amount of the usable powder blended in the cosmetic is 60 mass% or more. Here, "usable powder" means: organic or inorganic powders, in particular, spherical powders and plate-like powders, which are blended for improving the usability of cosmetics, do not include ultraviolet scattering agents such as fine titanium oxide particles and pigments (coloring pigments, white pigments, extender pigments, and pearlescent pigments). Examples of the usable powder include silicone resin powder, resin powder such as PMMA, silica powder, mica, barium sulfate powder, and the like.
The silicone elastomer powder as the component (C) may be compounded in either an oil phase or an aqueous phase, but is preferably compounded in an aqueous phase.
(D) Coloring material
The coloring material (D) of the present invention comprises: (d1) A coloring pigment, (d 2) a white pigment, (d 3) an extender pigment, (d 4) a pearlescent pigment, (d 5) an organic synthetic pigment (including dyes, lakes, organic pigments), and (d 6) a natural pigment. In the present specification, the pigment (d 1), the pigment (d 2), and the extender pigment (d 3) are sometimes referred to as "inorganic pigment".
In the cosmetic of the present invention, the (D) coloring material contains (D1) a coloring pigment as an essential component, and the (D1) coloring pigment contains 0.5 mass% or more of iron oxide relative to the total amount of the cosmetic. (d1) The iron oxide contained in the coloring pigment is preferably 1 or 2 or more kinds selected from the group consisting of iron oxide red (red iron oxide), iron oxide yellow, and iron oxide black, and the coloring pigment (d 1) may contain a coloring inorganic pigment typified by ultramarine, in addition to the iron oxide.
The amount of the iron oxide contained in the (d 1) coloring pigment in the cosmetic of the present invention is at least 0.5% by mass. When the content is less than 0.5% by mass, a sufficient cosmetic effect cannot be obtained. The upper limit of the amount of iron oxide blended is not particularly limited, but is usually 5 mass% or less, preferably 2 mass% or less.
The coloring material (D) in the present invention may contain, in addition to the coloring pigment (D1), other coloring materials selected from the group consisting of (D2) white pigment, (D3) extender pigment, (D4) pearl luster pigment, (D5) organic synthetic pigment (including dye, lake, organic pigment) and (D6) natural pigment. In particular, in the case of providing the cosmetic of the present invention in the form of a foundation, it is preferable to compound (d 2) a white pigment.
(d2) The white pigment is an inorganic pigment typified by titanium oxide and zinc oxide. In the present invention, titanium oxide is preferably used.
The average particle diameter of the titanium oxide is 0.1 μm or more, for example, 0.1 μm to 1 μm, preferably 0.1 μm to 0.8 μm, from the viewpoint of improving the shielding property. However, the present invention is not limited to these, and titanium oxide having an average particle diameter other than the above may be used as long as the skin-care effect, dispersibility, and emulsion stability are not impaired. The average particle diameter in the present disclosure is an average value calculated from values measured by observation based on a Transmission Electron Microscope (TEM) or the like.
The inorganic pigment containing (d 1) a coloring pigment, (d 2) a white pigment, or (d 3) an extender pigment in the cosmetic of the present invention is an inorganic pigment having a hydrophobic surface, and these are preferably blended in an oil phase (internal phase).
The surface hydrophobizing method of the inorganic pigment is not particularly limited, and a known method can be used. Specifically, silicone treatment (treatment based on silicone oil such as methyl hydrogen polysiloxane, dimethyl polysiloxane, methyl phenyl polysiloxane, alkylsilane such as methyl trimethoxysilane, ethyl trimethoxysilane, hexyl trimethoxysilane, octyl triethoxysilane, and fluoroalkyl silane such as trifluoromethyl ethyl trimethoxysilane, heptadecafluoro decyl trimethoxysilane), fatty acid treatment (treatment based on palmitic acid, isostearic acid, stearic acid, lauric acid, myristic acid, behenic acid, oleic acid, abietic acid, 12-hydroxystearic acid, and the like), fatty acid soap treatment (treatment based on aluminum stearate, calcium stearate, 12-hydroxystearic acid, and the like), fatty acid ester treatment (treatment based on dextrin fatty acid ester, cholesterol fatty acid ester, sucrose fatty acid ester, starch fatty acid ester, and the like), and the like can be cited.
The amount of the hydrophobicized titanium oxide blended in the cosmetic composition of the present invention is 1 to 20% by mass, preferably 2 to 10% by mass, and most preferably 3 to 7% by mass, based on the total amount of the oil-in-water emulsion cosmetic composition. For example, in the case of cosmetics such as foundations and concealers, which require skin color correction effects, if the amount of the hydrophobicized titanium oxide blended is less than 1 mass%, sufficient skin correction effects cannot be obtained, and if the amount exceeds 20 mass%, emulsion stability may be impaired.
(E) Water and its preparation method
The water (E) used in the cosmetic of the present invention is not particularly limited, and specific examples thereof include purified water and ion-exchanged water.
(E) The amount of water to be blended is preferably 25 to 90% by mass, more preferably 30 to 80% by mass, and most preferably 30 to 60% by mass based on the total amount of the oil-in-water emulsion cosmetic.
(F) Oil component
The oil (F) used in the cosmetic of the present invention constitutes an oil phase of an internal phase of the oil-in-water emulsion cosmetic. The oil usable in the present invention is not particularly limited, and may be selected from among cosmetic users within a range that does not impair stability. Preferred oil components include hydrocarbon oils, ester oils, silicone oils, and liquid oils and fats.
As the hydrocarbon oil, liquid paraffin, squalane, squalene, paraffin, isoparaffin, ceresin, isohexadecane, isododecane, and the like are used.
As the ester oil, pentaerythritol tetra (ethylhexanoate), cetyl ethylhexanoate, jojoba oil, lauroyl glutamic acid di (phytosterol/octyldodecyl) ester, triisostearin, glycerol diisostearate, glycerol tri (ethylhexanoate), dimer dilinoleate (phytosterol/behenyl) ester, dimer dilinoleate (phytosterol/isostearyl/cetyl/stearyl/behenyl) ester, isopropyl palmitate, macadamia nut fatty acid phytosterol ester, pentaerythritol tetra (behenic acid/ethylhexanoic acid) ester, ethylhexyl palmitate, myristyl myristate, isopropyl myristate, tripropylene glycol dineopentanoate, diisopropyl sebacate, isodecyl pivalate, and the like can be used.
Examples of the silicone oil include chain silicones such as dimethylpolysiloxane, methylphenylpolysiloxane and methylhydrogen polysiloxane, cyclic silicones such as octamethyl cyclotetrasiloxane, decamethyl cyclopentasiloxane and dodecamethyl cyclohexasiloxane, silicone resins having a three-dimensional network structure, silicone rubber and the like.
As the liquid fat, there are: linseed oil, camellia oil, macadamia nut oil, corn oil, mink oil, olive oil, avocado oil, camellia oil, castor oil, safflower oil, rapeseed oil, soybean oil, peanut oil, triglycerin, tricaprylin, triisopalmitate and the like.
The oil component (F) in the present invention further contains an ultraviolet absorber (particularly, one that is liquid at ordinary temperature). Examples of the ultraviolet absorber include octyl methoxycinnamate, octocrylene, polysiloxane-15, bis (resorcinol) triazine, ethylhexyl triazone, hexyl diethylamino hydroxybenzoate, oxybenzone-3, and the like.
(F) The blending amount of the oil component is not particularly limited, but is preferably 5 to 30% by mass based on the total amount of the oil-in-water emulsion cosmetic.
The cosmetic of the present invention is blended with the essential components (a) to (F) as described above, whereby a larger amount of the α -gel constituent components ((a) and (b 1)) causes the total amount of the cosmetic to be moderately thickened as compared with the conventional correction cosmetics. Thus, not only is the skin soft and firm, but also the silicone elastomer powder (C) is uniformly dispersed in the aqueous phase and stably held. On the other hand, (D1) a coloring pigment, (D2) a white pigment, etc. (D) a coloring material is stably held in the oil phase without generating color bars.
The cosmetic of the present invention preferably has a viscosity of 8000 mPas to 40000 mPas (type B viscometer, 30 ℃ C., 12 rpm), more preferably 10000 mPas to 25000 mPas (type B viscometer, 30 ℃ C., 12 rpm).
In the cosmetic of the present invention, in addition to the essential components (a) to (F) described above, any other component that can be blended in a cosmetic, particularly a makeup cosmetic, in general may be blended within a range that does not impair the effects of the present invention.
For example, when a liquid higher fatty acid such as isostearic acid, which is considered to be an essential component, is blended in the cosmetic described in patent document 3, it is preferable to improve the dispersibility of the powder component. However, when a large amount of liquid higher fatty acid is compounded, formation of an α gel may be hindered, and therefore, the compounding amount of the liquid higher fatty acid in the present invention is preferably less than 1% by mass, more preferably 0.9% by mass or less, still more preferably 0.8% by mass or less, and the present invention also includes a method of not compounding the liquid higher fatty acid.
The cosmetic of the present invention preferably contains a humectant. The humectant is not particularly limited, and may be selected from those commonly blended in cosmetics and the like. Examples thereof include polyethylene glycol, propylene glycol, glycerin, 1, 3-butanediol (1, 3-BG), xylitol, sorbitol, maltitol, chondroitin sulfate, hyaluronic acid, mucin sulfate, caronic acid, atelocollagen, cholesterol-12-hydroxystearate, sodium lactate, bile acid salt, dl-pyrrolidone carboxylate, short chain soluble collagen, diglycerol (EO) PO adduct, rosa roxburghii extract, achillea extract, melilotus extract, trehalose, pentaerythritol, POE.POP random copolymer methyl ether, and the like.
Examples of the other optional components include, but are not limited to, thickeners, lower (C1-C6) alcohols, natural polymers, synthetic polymers, antioxidants, buffers, various drugs, preservatives, fragrances, and the like.
As the water-soluble thickener, polysaccharide derivatives such as hydroxyethyl cellulose, succinoglycan, gellan gum, and agar, and copolymers containing 2-acrylamide-2-methylpropanesulfonic acid can be used. However, when gellan gum, agar, and a copolymer containing 2-acrylamide-2-methylpropanesulfonic acid are blended, the blending amount is not less than 1/9 of the total blending amount of the α -gel constituent ((a) higher alcohol+ (B) nonionic surfactant), and therefore, it is not preferable because the cosmetic becomes too hard. Therefore, when gellan gum, agar, and/or a copolymer containing 2-acrylamide-2-methylpropanesulfonic acid are compounded, the compounding amount thereof is less than 1/9, preferably 1/10 or less of the compounding amount of the alpha gel constituent.
The cosmetic of the present invention can be produced according to a production method generally used for oil-in-water emulsion cosmetics. For example, it can be manufactured as follows: the aqueous phase component and the oil phase component are mixed, and then the oil phase component mixture is added to the aqueous phase component mixture and emulsified by stirring appropriately (preparation method I).
Alternatively, the following method may be used: the method (II) comprises preparing a "1 st emulsion (1)", which comprises (D) a coloring material, (b 2) a part of (E) water containing a 2 nd surfactant, and (F) a part of oil (as "1 st oil"), separately preparing a "2 nd emulsion" comprising (A) a higher alcohol, (b 1) a 1 st surfactant, (E) the balance of water, and (F) the balance of oil (as "2 nd oil"), and mixing the 1 st emulsion and the 2 nd emulsion.
Further, the following method can be used: the method (III) is produced by preparing a "1 st emulsion (2)", which comprises (D) a coloring material, (b 2) water containing a 2 nd surfactant, and (F) a part of the oil component (as "1 st oil component"), and adding the balance of the (A) higher alcohol, (b 1) 1 st surfactant, and (F) oil component (as "2 nd oil component) to the 1 st emulsion, followed by further emulsification.
Here, "1 st oil component" in the production methods II and III preferably includes a nonpolar oil selected from hydrocarbon oils and silicone oils, and "2 nd oil component" preferably includes a polar oil selected from ester oils and ultraviolet absorbers.
(C) The silicone elastomer powder is preferably compounded in the aqueous phase component in the production method I, the aqueous phase portion of the "1 st emulsion (1)" or the "2 nd emulsion" in the production method II, and the aqueous phase portion of the "1 st emulsion (2)" in the production method III.
The cosmetic of the present invention is suitably provided as a skin cosmetic excellent in skin correction effect and tightening feeling, in particular, as a makeup cosmetic such as foundation.
The cosmetic of the present invention is preferably provided in the form of a liquid-type or cream-type foundation, for example, preferably in the form of a foundation contained in a tube-type container, a dispenser container, a jar container, or the like, or in the form of a pad-type foundation impregnated in a water-insoluble sponge, a foam carrier, or the like.
Examples
The present invention will be further described in detail with reference to the following examples, but the present invention is not limited thereto. The amount to be compounded is represented by mass% relative to the total amount unless otherwise specified.
Oil-in-water emulsion cosmetics having the formulations shown in tables 1 and 2 were produced, and the following evaluations were performed.
The cosmetics of examples and comparative examples were applied to the skin, and sensory evaluation was performed on "no sticky feel", "firm feel", "fine wrinkle masking effect", "ease of application", and "make-up effect after 4 hours" according to the following criteria. "make-up after 4 hours" is an indicator that no good make-up of powder/oil after 4 hours was observed.
A: strongly felt.
B: feel is perceived.
C: rarely felt.
D: not at all felt.
The "stability" was evaluated by visually observing the cosmetics of each example according to the following criteria.
A: extremely stable and no change was observed.
B: stable and essentially no change was observed.
C: unstable and produces color bars.
TABLE 1
TABLE 2
As shown in tables 1 and 2, the cosmetics of the present invention (examples 1 to 5) gave satisfactory results in all evaluation items. However, comparative example 1 in which the blending amount of the α gel constituent components ((a) and (b 1)) was small was poor in stability, and failed to impart a firm feel. On the other hand, comparative example 2, in which the silicone elastomer powder (C) was not compounded, was sticky and had poor fine wrinkle masking effect. In addition, comparative examples 1 and 2 were also insufficient in terms of cosmetic effect.
The following are examples of other formulations of the cosmetic of the present invention. The cosmetic of this formulation also had the same characteristics as in example 1.
(formulation example 1)
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Claims (6)
1. An oil-in-water emulsion cosmetic comprising:
(A) 2 to 8 mass% of higher alcohol,
(B) 2 to 20 mass% of nonionic surfactant,
(C) 1 to 10 mass% of a silicone elastomer powder,
(D) A coloring material,
(E) 30 to 80 mass% of water, and
(F) 5 to 30 mass% of an oil component,
the higher alcohol (A) is one or more selected from dodecanol (laurinol), tridecanol, tetradecanol (myristyl alcohol), pentadecanol, hexadecanol (cetyl alcohol), heptadecanol, octadecanol (stearyl alcohol), nonadecanol, eicosanol (arachidyl alcohol), heneicosanol, docosyl alcohol (behenyl alcohol), tricosyl alcohol, tetracosyl alcohol (carnauba alcohol), pentacosyl alcohol, hexacosyl alcohol (ceryl alcohol),
the nonionic surfactant (B) contains:
(b1) 1 to 10 mass% of a 1 st surfactant comprising an ether of a linear saturated alkyl group having 12 to 22 carbon atoms and a polyalkylene glycol
(b2) 1 to 10 mass% of a 2 nd surfactant comprising polyoxyethylene hardened castor oil,
(C) The silicone elastomer powder is 1 or more than 2 selected from the group consisting of (vinyl polydimethylsiloxane/polymethylsilsesquioxane) crosslinked polymer, (diphenyl polydimethylsiloxane/vinyl diphenyl polydimethylsiloxane/silsesquioxane) crosslinked polymer and polysiloxane-22,
the coloring material (D) comprises (D1) a coloring pigment and (D2) a white pigment, wherein the coloring pigment contains 0.5 mass% or more of an oxide of hydrophobicized iron relative to the total amount of the cosmetic, the white pigment contains hydrophobicized titanium oxide, and the mixing amount of the hydrophobicized titanium oxide is 2-10 mass% relative to the total amount of the cosmetic.
2. The cosmetic according to claim 1, wherein (d 1) the coloring pigment is at least 1 selected from the group consisting of iron oxide red, iron oxide yellow and iron oxide black.
3. The cosmetic according to claim 1, wherein the compounding amount of the liquid higher fatty acid is less than 1% by mass relative to the total amount of the cosmetic.
4. The cosmetic according to claim 1, wherein the (F) oil is at least 1 selected from the group consisting of hydrocarbon oil, ester oil, silicone oil, and ultraviolet absorber which is liquid at normal temperature.
5. The cosmetic according to claim 1, further comprising a humectant and a water soluble thickener.
6. The cosmetic according to claim 1, wherein the oil component (F) is a liquid oil or fat.
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| JP2019123124 | 2019-07-01 | ||
| JP2019-123124 | 2019-07-01 | ||
| JP2020081091 | 2020-05-01 | ||
| JP2020-081091 | 2020-05-01 | ||
| PCT/JP2020/025160 WO2021002285A1 (en) | 2019-07-01 | 2020-06-26 | Oil-in-water emulsion cosmetic |
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| CN114040747A CN114040747A (en) | 2022-02-11 |
| CN114040747B true CN114040747B (en) | 2024-02-06 |
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| WO (1) | WO2021002285A1 (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0987129A (en) * | 1995-09-20 | 1997-03-31 | Shiseido Co Ltd | Oil-in-water type emulsified composition |
| JP2006213730A (en) * | 2006-04-28 | 2006-08-17 | Shin Etsu Chem Co Ltd | Cosmetic |
| CN102218022A (en) * | 2010-04-14 | 2011-10-19 | 信越化学工业株式会社 | Water-releasing cosmetic makeup material |
| JP2013103885A (en) * | 2011-11-10 | 2013-05-30 | Kose Corp | Unevenness-correcting cosmetic |
| CN103442684A (en) * | 2012-02-10 | 2013-12-11 | 株式会社资生堂 | Oil-in-water-type emulsion skin cosmetic |
| CN107072889A (en) * | 2014-08-08 | 2017-08-18 | 株式会社资生堂 | Cosmetic pressed powder |
| CN108697625A (en) * | 2016-02-29 | 2018-10-23 | 株式会社资生堂 | Aqueous cosmetic composition |
| CN109843259A (en) * | 2016-10-31 | 2019-06-04 | 株式会社资生堂 | Water wrap oil type skin externally applied composition |
-
2020
- 2020-06-26 CN CN202080046490.2A patent/CN114040747B/en active Active
- 2020-06-26 WO PCT/JP2020/025160 patent/WO2021002285A1/en active Application Filing
- 2020-06-26 JP JP2021529993A patent/JPWO2021002285A1/ja active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0987129A (en) * | 1995-09-20 | 1997-03-31 | Shiseido Co Ltd | Oil-in-water type emulsified composition |
| JP2006213730A (en) * | 2006-04-28 | 2006-08-17 | Shin Etsu Chem Co Ltd | Cosmetic |
| CN102218022A (en) * | 2010-04-14 | 2011-10-19 | 信越化学工业株式会社 | Water-releasing cosmetic makeup material |
| JP2013103885A (en) * | 2011-11-10 | 2013-05-30 | Kose Corp | Unevenness-correcting cosmetic |
| CN103442684A (en) * | 2012-02-10 | 2013-12-11 | 株式会社资生堂 | Oil-in-water-type emulsion skin cosmetic |
| CN107072889A (en) * | 2014-08-08 | 2017-08-18 | 株式会社资生堂 | Cosmetic pressed powder |
| CN108697625A (en) * | 2016-02-29 | 2018-10-23 | 株式会社资生堂 | Aqueous cosmetic composition |
| CN109843259A (en) * | 2016-10-31 | 2019-06-04 | 株式会社资生堂 | Water wrap oil type skin externally applied composition |
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| JPWO2021002285A1 (en) | 2021-01-07 |
| WO2021002285A1 (en) | 2021-01-07 |
| CN114040747A (en) | 2022-02-11 |
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