CN108024941B - Oil-in-water type emulsified cosmetic - Google Patents
Oil-in-water type emulsified cosmetic Download PDFInfo
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- 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
- A61K8/60—Sugars; Derivatives thereof
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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
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/04—Dispersions; Emulsions
- A61K8/06—Emulsions
- A61K8/062—Oil-in-water emulsions
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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
- A61K8/29—Titanium; Compounds thereof
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- 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
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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
- A61K8/72—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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
- A61Q17/04—Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations
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Abstract
The invention aims to provide an oil-in-water type emulsion cosmetic which can keep a water-moist feeling and a good using feeling of spreading, can inhibit stickiness and can realize a high SPF value. The solution is an oil-in-water emulsified cosmetic comprising a solid oil and/or a semisolid oil, a powder, and an emulsifier, wherein the solid oil and/or semisolid oil is at least 1 selected from hydrocarbon oils, silicone oils, and ester oils, has a viscosity of 1500 mPas or less at 25 ℃, is incorporated in an amount of 2 to 25 mass% based on the total amount of the oil phase, and is 40 mass% or less based on the total amount of the cosmetic.
Description
Technical Field
The present invention relates to an oil-in-water type emulsified cosmetic composition.
Background
Sunscreen cosmetics are intended to block ultraviolet rays in sunlight and protect the skin from adverse effects of ultraviolet rays, and examples of bases thereof include emulsion type, lotion type, and oil type, and emulsion type cosmetics are roughly classified into oil-in-water type emulsion cosmetics having an aqueous component as an external phase (continuous phase) and water-in-oil type emulsion cosmetics having an oil component as an external phase (continuous phase). Conventionally, a sunscreen cosmetic is required to have a feeling of use of water, and an oil-in-water type emulsified cosmetic obtained by emulsifying a hydrophobized ultraviolet scattering agent can suppress stickiness, and thus can realize a feeling of use of water (for example, patent document 1).
On the other hand, in order to obtain a high SPF (Sun Protection Factor) value by blocking irradiation of ultraviolet rays to the skin, it is necessary to add a solid ultraviolet absorber or an ultraviolet scattering agent to the sunscreen cosmetic at a high concentration. The oil component needs to be blended at a high concentration in order to blend the solid ultraviolet absorber and the ultraviolet scattering agent, but if the oil component is blended at a high concentration, stickiness cannot be suppressed.
Although the emulsion type is different, patent document 2 describes: by blending a dextrin fatty acid ester and/or a sucrose fatty acid ester in an oil component, a high SPF value can be achieved without blending an ultraviolet scattering agent, and a greasy feeling and stickiness can be reduced.
Documents of the prior art
Patent document
Patent document 1: japanese patent laid-open No. 2014-101335
Patent document 2: japanese patent laid-open publication No. 2011-126832
Disclosure of Invention
Problems to be solved by the invention
Although it is necessary to reduce the oil content in order to achieve a moist feeling and good spreadability, it is necessary to add a minimum amount of ester oil as an essential component in order to dissolve the solid ultraviolet absorber and to add an ultraviolet scattering agent. However, if this is done, the ratio of the ester oil in the total oil content becomes high, and therefore stickiness peculiar to the ester oil occurs. As described above, the water-wet feeling and the spreadability required for the feeling of use in the oil-in-water type emulsion cosmetic are in a two-law inverse relationship with the achievement of the high SPF value required as the original function of the sunscreen cosmetic. Conventionally, a dry feeling has been obtained by blending a powder for improving usability in an aqueous phase, but there has been a problem that floating powder (powder きしみ) is generated when the skin is applied. In addition, in an emulsion system in which a hydrophobized powder is blended in an inner phase (oil phase), there is a tendency that emulsification becomes unstable, and therefore, if a fatty acid ester as described in patent document 2 is blended in the oil phase, emulsified particles are broken, and it is difficult to obtain a sufficiently stable base.
The present invention has been made in view of the above circumstances, and an object thereof is to provide an oil-in-water type emulsion cosmetic which can maintain a moist feeling and a feeling of use with good spreadability required for the oil-in-water type emulsion cosmetic by blending a predetermined amount of a solid oil and/or a semisolid oil and setting the total amount of an oil phase to a predetermined amount or less, and can suppress stickiness and realize a high SPF value.
Means for solving the problems
The oil-in-water type emulsion cosmetic of the present invention is an oil-in-water type emulsion cosmetic comprising a solid oil and/or a semisolid oil, a powder, and an emulsifier,
the solid oil and/or semisolid oil is at least 1 selected from hydrocarbon oil, silicone oil and ester oil, has a viscosity of 1500 mPas or less at 25 ℃, and is incorporated in an amount of 2 to 25 mass% based on the total amount of the oil phase,
the oil phase is 40 wt% or less relative to the total amount of the cosmetic.
The solid oil and/or semi-solid oil is preferably a sucrose fatty acid ester.
The fatty acid of the sucrose fatty acid ester is preferably a linear or branched fatty acid having 12 to 22 carbon atoms.
The solid and/or semi-solid oil is preferably an alkylmethylsiloxane wax.
The emulsifier is preferably an amphiphilic high molecular polymer.
The emulsifier is preferably an alkyl-modified polysaccharide.
The emulsifier is preferably a hydrophobically modified alkyl cellulose.
The amount of the solid oil and/or semisolid oil is preferably 0.5 to 5% by mass based on the total amount of the cosmetic.
The ratio of the amount of the emulsifier to the amount of the solid oil and/or semisolid oil is preferably 0.04 to 0.4.
The amount of the powder is preferably 3 to 10% by mass based on the total amount of the cosmetic composition.
The powder is preferably a hydrophobic powder.
Preferably, the composition further comprises a thickener, and the thickener is at least 1 selected from the group consisting of polyacrylamide compounds, anionic polymers, and polysaccharides.
Preferably, the thickener is at least 1 selected from the group consisting of (dimethylacrylamide/sodium acryloyldimethyltaurate) crosspolymer, vinylpyrrolidone/2-acrylamide-2-methylpropanesulfonic acid (salt) copolymer, sodium acrylate/2-acrylamide-2-methylpropanesulfonic acid (salt) copolymer, acrylamide/2-acrylamide-2-methylpropanesulfonic acid (salt) copolymer, homopolymer of 2-acrylamide-2-methylpropanesulfonic acid sodium salt, dimethylacrylamide/2-acrylamide-2-methylpropanesulfonic acid, carboxyvinyl polymer, xanthan gum.
Preferably, the oil phase contains an ultraviolet absorber.
Effects of the invention
The oil-in-water type emulsion cosmetic of the present invention is an oil-in-water type emulsion cosmetic comprising a solid oil and/or a semisolid oil, a powder and an emulsifier, wherein the solid oil and/or semisolid oil is at least 1 selected from hydrocarbon oils, silicone oils and ester oils, the viscosity at 25 ℃ is 1500 mPas or less, the amount of the solid oil and/or semisolid oil blended is 2 to 25 mass% relative to the total amount of the oil phase, and the amount of the oil phase is 40 mass% or less relative to the total amount of the cosmetic, and therefore, the oil-in-water type emulsion cosmetic can maintain a feeling of water-wettability and a feeling of use with good spreadability required for the oil-in-water type emulsion cosmetic, and can suppress stickiness even when formulated to achieve a high SPF value.
Detailed Description
The oil-in-water type emulsion cosmetic of the present invention will be described in detail below.
The oil-in-water type emulsified cosmetic material of the present invention is an oil-in-water type emulsified cosmetic material comprising a solid oil and/or a semisolid oil, a powder, and an emulsifying agent, wherein the solid oil and/or semisolid oil is at least 1 selected from hydrocarbon oils, silicone oils, and ester oils, has a viscosity of 1500 mPas or less at 25 ℃, is incorporated in an amount of 2 to 25% by mass relative to the total amount of the oil phase, and is 40% by mass or less relative to the total amount of the cosmetic material.
The components are described in detail below.
< solid and/or semi-solid oil >
The viscosity of the solid oil and/or semisolid oil at 25 ℃ is 1500mPa · s or less, more preferably 1000mPa · s or less, and even more preferably 500mPa · s or less. Here, the viscosity is a value measured by a B-type viscometer at 25 ℃, and specifically, a value measured at a rotation speed of 12rpm for 1 minute by a VDA-type viscometer (strain 12471 ステム, DIGITAL viscon VDA), spindle No.1, spindle No.2, or spindle No. 3.
Here, the solid oil means an oil that is solid at 25 ℃, and the semi-solid oil means an oil that is solid at 25 ℃.
The melting point (m.p.) of the solid and/or semi-solid oil is preferably in the range of 44 ℃ to 90 ℃. When the melting point is in this range, the feeling of use after application can be made tack-free.
The solid oil and/or semisolid oil of the present invention is at least 1 selected from hydrocarbon oils, silicone oils, and ester oils.
Examples of the hydrocarbon oil include microcrystalline wax and synthetic hydrocarbon wax, and microcrystalline wax is preferably used from the viewpoint of usability and high SPF.
As the silicone oil, an alkylmethylsiloxane wax can be used.
Examples of the ester oil include hydrogenated oil, sucrose fatty acid ester, and myristyl myristate (クローダジャパン corporation). Examples of hydrogenated oils (one type of processed oils and fats) include white solid fats obtained by addition reaction of hydrogen gas with fish oil, whale oil, rapeseed oil, soybean oil, and the like. As a commercially available product, for example, "トリファット PS-45H" (Sun light ケミカルズ (Co., Ltd)) can be preferably used.
Sucrose fatty acid esters and alkylmethylsiloxane waxes are particularly preferable from the viewpoint of emulsion stability and versatility.
The sucrose fatty acid ester is preferably a sucrose fatty acid ester having 12 to 22 carbon atoms and having a linear or branched, saturated or unsaturated fatty acid. Specifically, sucrose octanoate, sucrose decanoate, sucrose laurate, sucrose myristate, sucrose palmitate, sucrose stearate, sucrose oleate, and sucrose erucate can be used, and 1 or 2 or more of these may be used in combination. In the present invention, commercially available products such as "シュガーワックス A-10E" (sucrose mixed fatty acid ester), "コスメライク SA-10" (sucrose acetate stearate), "コスメライク MX-10" (sucrose mixed fatty acid ester) (manufactured by the first Industrial pharmaceutical Co., Ltd.), and "クロデスタ 4-IS" (クローダジャパン) (sucrose tetraisostearate) can be preferably used.
1 or more of these sucrose fatty acid esters may be used.
Examples of the alkylmethylsiloxane WAX include alkyl (C30-40) methylsiloxane C30-C45 olefin and alkyl (C30-45) dimethylsilylpolypropylsilsesquioxane, and specifically, "AMS-C30 COSMETIC WAX", "SW-8005C 30Resin WAX" (manufactured by Easter レ & ダウコーニング), and the like can be preferably used.
The amount of the solid oil and/or semisolid oil blended is preferably 2 to 25 mass%, more preferably 2 to 20 mass%, based on the total amount of the oil phase. By setting the amount of the solid oil and/or semisolid oil to 2 to 25 mass% relative to the total amount of the oil phase, the emulsion stability can be ensured, a feeling of water-wettability and a feeling of use with good spreadability can be maintained, and stickiness can be suppressed even when a formulation capable of realizing a high SPF value is prepared.
The amount of the solid oil and/or semisolid oil blended is preferably 0.5 to 5% by mass, more preferably 1 to 5% by mass, based on the total amount of the cosmetic composition. By setting the amount of the solid oil and/or semisolid oil to be blended in the range of 0.5 to 5 mass% relative to the total amount of the cosmetic, a feeling of use with good spreadability and a moist feeling can be maintained, and stickiness can be suppressed even when a formulation capable of realizing a high SPF value is prepared.
< powder >
The powder used in the present invention may also be used as it is in an untreated state, but it is preferable to use a hydrophobic powder obtained as follows: the surface of the inorganic powder particles is hydrophobized by a wet method, a gas phase method, a mechanochemical method, or the like using a solvent, with, for example, silicones such as methylhydrogenpolysiloxane and dimethylpolysiloxane, dextrin fatty acid esters, higher fatty acids, higher alcohols, fatty acid esters, metal soaps, alkyl phosphate ethers, fluorine compounds, or hydrocarbons such as squalane and paraffin.
As the inorganic powder, inorganic powders which can be usually blended in cosmetics and skin external preparations can be used, and examples thereof include titanium oxide, zinc oxide, talc, mica, sericite, kaolin, mica titanium, iron oxide black, iron oxide yellow, iron oxide red, ultramarine blue, prussian blue, chromium oxide, chromium hydroxide, and the like. In the case of sunscreen cosmetics, it is preferable to use ultraviolet scattering agents such as fine titanium oxide particles and fine zinc oxide particles having an average primary particle diameter of less than 100 μm.
The amount of the powder to be blended may be set according to the purpose, but in the sunscreen cosmetic or the like, it is preferably blended at 1 mass% or more, typically 3 mass% or more, with respect to the total amount of the oil-in-water type emulsion cosmetic. The upper limit is not particularly limited, but if the loading amount is large, the loading amount of the oil phase as the dispersion medium is inevitably large, and the loading of other components is limited, and therefore, the loading amount is preferably 20 mass% or less, typically 10 mass% or less, relative to the total amount of the oil-in-water type emulsion cosmetic.
< emulsifier >
As the emulsifier, a nonionic surfactant or an amphiphilic polymer can be used, and an amphiphilic polymer is more preferable. More preferably, the polysaccharide is modified with an alkyl group. When an amphiphilic polymer is used as the emulsifier, the molecular weight is preferably 100000 or more. More preferably 400000 to 600000. More specifically, an acrylate/stearyl methacrylate-20 copolymer (acrylates/Steareth-20methacrylate) copolymer), a hydrophobically modified alkyl cellulose such as stearyloxyhydroxypropylcellulose, and the like commercially available can be used. Examples thereof include サンジェロース 90L (the name is: hydrophobized hydroxypropylmethylcellulose; manufactured by David chemical industries, Ltd.), Natrosol Plus 330cs (manufactured by Ashland Co., Ltd.), Polysurf 67cs (manufactured by Ashland Co., Ltd.), and the like. Particularly preferred is hydrophobically modified alkylcellulose.
The amount of the emulsifier is preferably 0.1 to 0.5% by mass based on the total amount of the cosmetic composition. By setting the amount of the emulsifier to be in the range of 0.1 to 0.5% by mass based on the total amount of the cosmetic, a stable emulsion can be obtained and a light touch feeling can be obtained when the cosmetic is applied.
The ratio of the amount of the emulsifier to the amount of the solid oil and/or semisolid oil [ the amount of the emulsifier/(the amount of the solid oil and/or semisolid oil) is preferably 0.04 to 0.4. By setting the ratio of the amount of the emulsifier to the amount of the solid oil and/or the semisolid oil to be blended in this range, a more moist touch can be obtained.
< thickener >
The oil-in-water type emulsified cosmetic of the present invention preferably contains a thickener. The thickener is more preferably at least 1 kind selected from the group consisting of polyacrylamide compounds, anionic polymers and polysaccharides. Specifically, preferable examples thereof include vinylpyrrolidone/2-acrylamide-2-methylpropanesulfonic acid (salt) copolymer, dimethylacrylamide/2-acrylamide-2-methylpropanesulfonic acid (salt) copolymer, acrylamide/2-acrylamide-2-methylpropanesulfonic acid copolymer, (dimethylacrylamide/sodium acryloyldimethyltaurate) crosslinked polymer, crosslinked polymer of dimethylacrylamide/2-acrylamide-2-methylpropanesulfonic acid crosslinked with methylenebisacrylamide, mixture of polyacrylamide and sodium polyacrylate, sodium acrylate/2-acrylamide-2-methylpropanesulfonic acid copolymer, and amidated polyacrylamide such as hydroxyethyl acrylate/2-acrylamide-2-methylpropanesulfonic acid (salt) copolymer Anionic polymers such as polymers, ammonium polyacrylate, polyacrylamide/ammonium acrylate copolymer, acrylamide/sodium acrylate copolymer, and polysaccharides such as xanthan gum. However, the present invention is not limited to these examples.
Among the thickeners, suitable salts include alkali metal salts (e.g., calcium salts, magnesium salts, etc.), ammonium salts, organic amine salts (e.g., monoethanolamine salts, diethanolamine salts, triethanolamine salts, etc.), and the like. 1 or more of these thickeners may be used.
Commercially available thickeners can be used favorably. For example, examples of the crosslinked polymer (dimethylacrylamide/sodium acryloyldimethyltaurate) include "SU-GEL" (manufactured by Toho chemical Co., Ltd.), examples of the copolymer of vinylpyrrolidone/2-acrylamide-2-methylpropanesulfonic acid (salt) "ARISTOFLEX AVC" (manufactured by Clariant Co., Ltd.), examples of the copolymer of sodium acrylate/2-acrylamide-2-methylpropanesulfonic acid (salt) "SIMULGEL EG" (manufactured by SEPIC Co., Ltd.), "SIMULGEL EPG" (manufactured by SEPIC Co., Ltd.), examples of the copolymer of acrylamide/2-acrylamide-2-methylpropanesulfonic acid sodium salt "SIMULGEL 600" (manufactured by SEPIC Co., Ltd.), and examples of the copolymer of acrylamide/2-acrylamide-2-methylpropanesulfonic acid (salt), examples of the homopolymer of the sodium salt of 2-acrylamido-2-methylpropanesulfonic acid include "SEPIGEL 305" (manufactured by SEPIC Co., Ltd.), "SEPIGEL 501" (manufactured by SEPIC Co., Ltd.), "Hostacerin AMPS" (manufactured by Clariant Co., Ltd.), "SIMULGEL 800" (manufactured by SEPIC Co., Ltd.), and the like, and examples of the homopolymer G-1 "(manufactured by Toho chemical industry Co., Ltd.) (dimethylacrylamide/2-acrylamido-2-methylpropanesulfonic acid) and the like.
The amount of the thickener is preferably 0.1 to 0.5% by mass based on the total amount of the cosmetic composition. By setting the amount of the thickener to 0.1 to 0.5 mass% relative to the total amount of the cosmetic, a stable emulsion can be obtained and a light feel can be obtained when the cosmetic is applied.
< ultraviolet absorber >
The oil-in-water type emulsion cosmetic of the present invention preferably contains an ultraviolet absorber. The ultraviolet absorber is not particularly limited, but is preferably selected from water-insoluble and oil-insoluble ultraviolet absorbers. Specifically, preferable examples of the ultraviolet absorber include benzoic acid-based ultraviolet absorbers (for example, p-aminobenzoic acid (hereinafter abbreviated as PABA), PABA monoglyceride, N-dipropoxyppaba ethyl ester, N-diethoxyppaba ethyl ester, N-dimethylppaba butyl ester, and the like); anthranilic acid-based ultraviolet absorbers (e.g., trimethylcyclohexyl-N-acetyl anthranilate); salicylic acid-based ultraviolet absorbers (e.g., amyl salicylate, menthyl salicylate, trimethylcyclohexyl salicylate, octyl salicylate, phenyl salicylate, benzyl salicylate, salicyl salicylate)Acid p-isopropanolphenyl esters, etc.); cinnamic acid-based ultraviolet absorbers (for example, octyl methoxycinnamate (ethylhexyl p-methoxycinnamate), ethyl 4-isopropylcinnamate, methyl 2, 5-diisopropylcinnamate, ethyl 2, 4-diisopropylcinnamate, methyl 2, 4-diisopropylcinnamate, propyl p-methoxycinnamate, isopropyl p-methoxycinnamate, isoamyl p-methoxycinnamate, octyl p-methoxycinnamate (2-ethylhexyl p-methoxycinnamate), 2-ethoxyethyl p-methoxycinnamate, cyclohexyl p-methoxycinnamate, ethyl α -cyano- β -phenylcinnamate, 2-ethylhexyl α -cyano- β -phenylcinnamate, glycerol mono-2-ethylhexanoyl-di-p-methoxycinnamate, etc.); benzophenone-based ultraviolet absorbers (for example, 2, 4-dihydroxybenzophenone, 2 ' -dihydroxy-4-methoxybenzophenone, 2 ' -dihydroxy-4, 4 ' -dimethoxybenzophenone, 2 ', 4,4 ' -tetrahydroxybenzophenone, 2-hydroxy-4-methoxybenzophenone, 2-hydroxy-4-methoxy-4 ' -methylbenzophenone, 2-hydroxy-4-methoxybenzophenone-5-sulfonate, 4-phenylbenzophenone, 2-ethylhexyl-4 ' -phenyl-benzophenone-2-carboxylate, 2-hydroxy-4-n-octyloxybenzophenone, and the like, 4-hydroxy-3-carboxybenzophenone, etc.); 3- (4' -methylbenzylidene) -d, l-camphor, 3-benzylidene-d, l-camphor; 2-phenyl-5-methylbenzo
Azole; 2, 2' -hydroxy-5-methylphenylbenzotriazole; 2- (2 '-hydroxy-5' -tert-octylphenyl) benzotriazol; 2- (2 ' -hydroxy-5 ' -methylphenylbenzotriazole, dibenzylazine, dianisiloylmethane, 4-methoxy-4 ' -t-butyldibenzoylmethane, 5- (3, 3-dimethyl-2-norbornylene) -3-pentan-2-one, dimorpholinone, etc.
Further, as the triazine derivative, specifically, 2, 4-bis- { [4- (2-ethylhexyloxy) -2-hydroxy ] phenyl } -6- (4-methoxyphenyl) - (1,3,5) -triazine (チノソーブ S), 2,4, 6-tris [4- (2-ethylhexyloxycarbonyl) anilino ]1,3, 5-triazine (ユビナール T150) and the like are preferably exemplified.
Further, as the dibenzoylmethane derivative, 4-tert-butyl-4' -methoxydibenzoylmethane (for example, "パルソール 1789") and the like are preferably mentioned.
< oil phase >
The oil phase may contain any component selected from hydrocarbon oils other than the above solid oils and/or semisolid oils, silicone oils, ester oils, higher fatty acids, higher alcohols, and the like, and is not particularly limited as long as the effects of the present invention are not impaired.
Examples of the liquid oils and fats include avocado oil, camellia oil, turtle oil, macadamia nut oil, corn oil, mink oil, olive oil, rapeseed oil, egg yolk oil, sesame oil, persic oil, wheat germ oil, camellia oil, castor oil, linseed oil, safflower oil, cottonseed oil, perilla oil, soybean oil, peanut oil, tea seed oil, coconut oil (カヤ oil), rice bran oil, tung oil, japanese tung oil, jojoba oil, germ oil, and triglycerin.
Examples of the higher fatty acid include lauric acid, myristic acid, palmitic acid, stearic acid, behenic acid, oleic acid, undecylenic acid, tall oil acid, isostearic acid, linoleic acid, linolenic acid, docosapentaenoic acid (EPA), and docosahexaenoic acid (DHA).
Examples of the higher alcohol include straight-chain alcohols (e.g., lauryl alcohol, cetyl alcohol, stearyl alcohol, behenyl alcohol, myristyl alcohol, oleyl alcohol, cetostearyl alcohol, and the like); branched alcohols (e.g., monostearyl glyceryl ether (batyl alcohol), 2-decyltetradecanol, lanolin alcohol, cholesterol, phytosterols, hexyldodecanol, isostearyl alcohol, octyldodecanol, etc.), and the like.
The ester oil may be one having a viscosity of more than 1500mPa · s at 25 ℃.
As the silicone oil, a silicone oil having a viscosity of more than 1500 mPas at 25 ℃ can be blended within a range not affecting the effect of the present invention.
The oil phase is preferably 40% by mass or less, more preferably 20 to 30% by mass, based on the total amount of the cosmetic. By setting the oil phase to 40% by mass or less based on the total amount of the cosmetic, the emulsion stability can be ensured and stickiness can be suppressed.
The oil-in-water type emulsion cosmetic of the present invention may contain various ingredients generally used in cosmetics, for example, a moisturizing agent, a pH adjuster, a neutralizer, an antioxidant, a preservative, an antibacterial agent, a drug, an extract, a perfume, a coloring agent, and the like, within a range not impairing the effects thereof.
Examples of the humectant include polyhydric alcohols such as glycerin, diethylene glycol, butylene glycol, and polyethylene glycol, amino acids, nucleic acids, proteins such as collagen and elastin, and mucopolysaccharides such as hyaluronic acid and chondroitin sulfate.
Examples of the pH adjuster include lactic acid, citric acid, glycolic acid, succinic acid, tartaric acid, dl-malic acid, potassium carbonate, sodium hydrogen carbonate, and ammonium hydrogen carbonate.
Examples of the antioxidant include ascorbic acid, α -tocopherol, dibutylhydroxytoluene, butylhydroxyanisole, and the like.
Examples of the antiseptics and antibacterial agents include parabens, phenoxyethanol, benzoic acid, salicylic acid, phenol, sorbic acid, p-chloro-m-cresol, hexachlorophene, benzalkonium chloride, chlorhexidine chloride (salt クロルヘキシジン), trichlorocarbanilide, and photoreceptors.
The form of the oil-in-water type emulsion cosmetic of the present invention is not particularly limited, and any form can be widely used as long as it is a form used for conventional cosmetics, such as foundation cosmetics such as lotions, milky lotions, creams, face lotions, gels, essences (beauty solutions), and face masks, color cosmetics such as lipsticks, eye shadows, eyeliners, mascaras, foundations, and sun screens, oral cosmetics, aromatic cosmetics, hair cosmetics, and body cosmetics.
Examples
The present invention will be described in further detail with reference to examples, but the present invention is not limited to these examples. The amount to be blended in the following examples and the like represents% by mass unless otherwise specified.
Oil-in-water type emulsion cosmetics having the compositions shown in tables 1 and 2 below were prepared by a conventional method, and the following measurements and evaluations were performed.
(ultraviolet ray protection effect)
The ultraviolet protection effect is performed using a high-precision in vitro SPF measurement system described in Japanese patent application laid-open No. 7-167781.
Specifically, a Solar Simulator (Solar ultraviet Simulator Model 600: Solar Light Co.) was used as the Light source. トランスポアテープ TM (3M Co.) used as a coating body at a concentration of 2.0mg/cm 2 The sample was uniformly applied, dried for 15 minutes, and then irradiated with ultraviolet rays. Then, the transmitted ultraviolet spectrum is subjected to calculation processing to calculate an SPF value.
The SPF values of the cosmetics of examples and comparative examples calculated by the above method were normalized by the SPF value of the sample not containing the solid oil and/or the semisolid oil, and the case where the solid oil and/or the semisolid oil was not contained was 1, the case where the value was 1 or less was evaluated as B, and the case where the value was more than 1 was evaluated as a.
(dispersibility in the freshly prepared state)
The state of the cosmetic immediately after preparation was visually observed and evaluated according to the following criteria.
A: is uniformly dispersed
B: slightly visible undispersed portion
C: visible undispersed portion
(stability over time)
The state of the resulting cosmetic after standing at room temperature for 2 weeks was visually observed and evaluated according to the following criteria.
A: no separation is found
B: slightly visible separation of oil
C: oil separation
The feel of the obtained cosmetic in use was evaluated according to the following criteria.
(Water-moist feeling)
The skin was applied with the cosmetic by 10 female professional panelists, and the moisturized feel at the time of application was evaluated.
A: the 8 or more members feel moist when applying
B: 3-7 members felt moist when applied
C: the following 2 members feel moist when applying
(stickiness due to Hair)
The cosmetic was applied to the skin by 10 female professional panelists, and the sticky feeling after application was evaluated.
A: 8 or more members confirmed no sticky feeling after application
B: 3 to 7 members confirmed that the skin was not sticky after application
C: the following 2 members confirmed the absence of sticky feeling after application
TABLE 1
TABLE 2
As shown in tables 1 and 2, the oil-in-water type emulsion cosmetic of the present invention can keep the feeling of use of the oil-in-water type emulsion cosmetic with water which is required, and can suppress stickiness even when formulated to achieve a high SPF value. On the other hand, in comparative example 1 containing no solid oil and/or semisolid oil, the feeling of water was moist but sticky; in comparative example 2, which contains a solid oil and/or a semisolid oil but the amount of the oil added is more than 25% by mass based on the total amount of the oil phase, although stickiness is suppressed, the feeling of moisture required for the oil-in-water type emulsified cosmetic is lost. Even if the amount of the solid oil and/or the semisolid oil is 2 to 25 mass% based on the total amount of the oil phase, if the oil phase exceeds 40 mass% based on the total amount of the cosmetic, emulsion breaking occurs as shown in comparative example 3. In comparative example 3, the SPF value was not measured and the sensory evaluation was not performed because of the emulsion breaking. In addition, in the case of using dextrin palmitate as shown in comparative example 4, the viscosity was high and the stickiness could not be suppressed as shown in table 3. In comparative example 5 in which palmitic acid was used and comparative example 6 in which a higher alcohol was used, the stability over time, which is important as a cosmetic, was poor.
(measurement of viscosity)
Each solid oil and/or semisolid oil, fatty acid, and higher alcohol were dissolved in 98% diisopropyl sebacate as a solvent by heating, and the thus obtained sample was left for 1 day and then measured at 25 ℃ for 1 minute at a spindle No.2 at a rotation speed of 12rpm by a B-type viscometer or a VDA-type viscometer (Gimera 12471; company: 12473 テム, DIGITAL VIMETRON VDA). The measurement results are shown in table 3.
TABLE 3
(prescription example)
The following examples are formulations of the oil-in-water emulsion cosmetic of the present invention. The invention is not limited by this prescription example at all. The amounts to be blended are all expressed in mass% based on the total amount of the product.
Formulation example 1: sunscreen lotion
Macadamia nut oil fatty acid phytosterol ester 0.5
Sebacic acid diisopropyl ester 10
Sorbitan sesquiisostearate 0.5
2-ethylhexyl p-methoxycinnamate 7.5
Sodium hydroxymethoxybenzophenone sulfonate 3
Dimethylacrylamide/sodium acryloyldimethyl taurate crosslinked polymer 0.5
Triethanolamine 1.8
Hydrophobized titanium oxide 4
Concentrated Glycerol ( グリセリン) 4
Polyethylene glycol 3008
Ethanol 10
Phenoxyethanol 0.3
Residual amount of ion exchange water
Formulation example 2: sunscreen lotion
Vaseline 1
Sebacic acid diisopropyl ester 10
Sorbitan sesquiisostearate 0.5
2-ethylhexyl p-methoxycinnamate 7.5
2,4, 6-Tris [4- (2-ethylhexyloxycarbonyl) anilino ]1,3, 5-triazine 1.5 Stearoyloxypropylmethylcellulose 0.5
Hydrophobized titanium oxide 4
Concentrated glycerol 4
Polyethylene glycol 3008
Ethanol 10
Residual amount of ion-exchanged water
Formulation example 3: sunscreen lotion
Vaseline 1
Sebacic acid diisopropyl ester 10
Sorbitan sesquiisostearate 0.5
2-ethylhexyl p-methoxycinnamate 1.5
2,4, 6-Tris [4- (2-ethylhexyloxycarbonyl) anilino ]1,3, 5-triazine 1.5
2-hydroxy-4-methoxybenzophenone 1
Polysiloxane-152.0
Ochrinklin 2.0
Methylene bis benzotriazolyl tetramethyl butylphenol 2.0
2- [4- (diethylamino) -2-hydroxybenzoyl ] benzoic acid hexyl ester 1.0
Stearyloxy hydroxypropyl methylcellulose 0.5
Xanthan gum 0.1
Tranexamic acid 2.0
Dipotassium glycyrrhizinate 0.05
4-Methoxysalicylic acid potassium salt 2.0
Hydrophobized titanium oxide 4
Concentrated glycerin 4
Polyethylene glycol 3008
Ethanol 10
Residual amount of ion-exchanged water
Formulation example 4: sunscreen lotion
Sucrose stearate 1
Sebacic acid diisopropyl ester 10
Succinic acid 2-ethylhexyl ester 5
Methylpolysiloxane 1
Sorbitan sesquiisostearate 0.5
2-ethylhexyl p-methoxycinnamate 7.5
Hydroxy methoxy benzophenone sodium sulfonate 3
Dimethylacrylamide/sodium acryloyldimethyl taurate crosslinked Polymer 0.5
Triethanolamine 1.8
Hydrophobized titanium oxide 4
Concentrated glycerin 4
Polyethylene glycol 3008
Ethanol 10
Phenoxyethanol 0.3
The ion exchange water remaining amount.
Claims (9)
1. An oil-in-water type emulsified cosmetic comprising:
solid and/or semi-solid oils,
Powder, and
an emulsifying agent, and a water-soluble emulsifier,
the solid oil and/or semisolid oil is at least 1 selected from hydrocarbon oil, silicone oil and ester oil, has a viscosity of 1500 mPas or less at 25 ℃, and is incorporated in an amount of 2 to 25 mass% based on the total amount of the oil phase,
the oil phase is 40% by mass or less relative to the total amount of the cosmetic,
the solid oil and/or the semi-solid oil is sucrose fatty acid ester,
the amount of the solid oil and/or semisolid oil is 0.5 to 5 mass% based on the total amount of the cosmetic,
the sucrose fatty acid ester has a linear or branched fatty acid having 12 to 22 carbon atoms,
the oil phase contains an ultraviolet absorber.
2. The oil-in-water type emulsion cosmetic according to claim 1, wherein the emulsifier is an amphiphilic high molecular polymer.
3. The oil-in-water type emulsified cosmetic composition according to claim 1, wherein the emulsifier is an alkyl-modified polysaccharide.
4. The oil-in-water type emulsified cosmetic according to claim 3, wherein the emulsifier is a hydrophobically modified alkyl cellulose.
5. The oil-in-water type emulsified cosmetic composition according to any one of claims 1 to 4, wherein the ratio of the amount of the emulsifier to the amount of the solid oil and/or semisolid oil is 0.04 to 0.4.
6. The oil-in-water type emulsion cosmetic according to any one of claims 1 to 4, wherein the amount of the powder blended is 3 to 10% by mass based on the total amount of the cosmetic.
7. The oil-in-water type emulsified cosmetic preparation according to any one of claims 1 to 4, wherein the powder is a hydrophobic powder.
8. The oil-in-water type emulsified cosmetic composition according to any one of claims 1 to 4, further comprising a thickener which is at least 1 selected from the group consisting of polyacrylamide compounds, anionic polymers and polysaccharides.
9. The oil-in-water type emulsified cosmetic composition according to claim 8, wherein the thickener is selected from the group consisting of (dimethylacrylamide/sodium acryloyldimethyltaurate) crosslinked polymer, vinylpyrrolidone/2-acrylamide-2-methylpropanesulfonic acid (salt) copolymer, sodium acrylate/2-acrylamide-2-methylpropanesulfonic acid (salt) copolymer, acrylamide/2-acrylamide-2-methylpropanesulfonic acid sodium salt copolymer, acrylamide/2-acrylamide-2-methylpropanesulfonic acid (salt), 2-acrylamide-2-methylpropanesulfonic acid sodium salt homopolymer, dimethylacrylamide/2-acrylamide-2-methylpropanesulfonic acid, carboxyvinyl polymer, acrylic acid, methacrylic acid, acrylic acid, At least 1 of xanthan gums.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015-193400 | 2015-09-30 | ||
| JP2015193400 | 2015-09-30 | ||
| JP2016190484A JP6321105B2 (en) | 2015-09-30 | 2016-09-29 | Oil-in-water emulsified cosmetic |
| JP2016-190484 | 2016-09-29 | ||
| PCT/JP2016/004431 WO2017056506A1 (en) | 2015-09-30 | 2016-09-30 | Oil-in-water type emulsion cosmetic |
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| CN108024941A CN108024941A (en) | 2018-05-11 |
| CN108024941B true CN108024941B (en) | 2022-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201680055078.0A Active CN108024941B (en) | 2015-09-30 | 2016-09-30 | Oil-in-water type emulsified cosmetic |
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|---|---|
| JP (3) | JP6321105B2 (en) |
| KR (1) | KR20180054609A (en) |
| CN (1) | CN108024941B (en) |
| HK (1) | HK1250010A1 (en) |
| TW (1) | TW201717897A (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6321105B2 (en) * | 2015-09-30 | 2018-05-09 | 株式会社 資生堂 | Oil-in-water emulsified cosmetic |
| JP7149851B2 (en) * | 2016-09-29 | 2022-10-07 | ロート製薬株式会社 | Composition for external use on the skin |
| JP2019089721A (en) | 2017-11-13 | 2019-06-13 | 信越化学工業株式会社 | Cosmetic |
| WO2019120590A1 (en) * | 2017-12-22 | 2019-06-27 | Lvmh Recherche | Oil-in-water emulsified cosmetic |
| JP7178688B2 (en) * | 2018-03-28 | 2022-11-28 | 株式会社ダリヤ | Emulsified cosmetics for skin |
| US20210338551A1 (en) * | 2018-08-10 | 2021-11-04 | Shiseido Company, Ltd. | Cosmetic product |
| JPWO2020032246A1 (en) * | 2018-08-10 | 2021-08-10 | 株式会社 資生堂 | Sunscreen effect enhancer |
| CN109705264B (en) * | 2018-12-04 | 2021-03-12 | 山东水衡浩正环保材料有限公司 | Preparation method of temperature-resistant salt-resistant polyacrylamide for oil displacement |
| WO2020138424A1 (en) * | 2018-12-28 | 2020-07-02 | 株式会社 資生堂 | Gel cosmetic product |
| CN113226254B (en) * | 2018-12-28 | 2024-02-23 | 株式会社资生堂 | Oil-in-water emulsion cosmetic containing retinol |
| JP7309456B2 (en) * | 2019-05-30 | 2023-07-18 | 株式会社ノエビア | Oil-in-water emulsified UV protection cosmetic |
| JP7356094B2 (en) * | 2019-09-17 | 2023-10-04 | 株式会社タイキ | W/O type emulsified cosmetics |
| KR102496039B1 (en) | 2019-09-30 | 2023-02-06 | 카오카부시키가이샤 | sun protection cosmetics |
| KR20230110253A (en) * | 2020-11-19 | 2023-07-21 | 카오카부시키가이샤 | Underwater Type Emulsion Cosmetics |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9420535D0 (en) * | 1994-10-12 | 1994-11-30 | Procter & Gamble | Cosmetic make-up compositions |
| JPH09194331A (en) * | 1996-01-18 | 1997-07-29 | Shiseido Co Ltd | Oil-in-water-type solid emulsified cosmetic |
| JP3778324B2 (en) * | 1998-03-30 | 2006-05-24 | 株式会社資生堂 | Oil-in-water emulsion composition |
| JP4925579B2 (en) * | 2004-12-28 | 2012-04-25 | 大塚製薬株式会社 | Solid composition comprising an oil-in-water emulsion |
| JP4955260B2 (en) | 2005-12-01 | 2012-06-20 | 株式会社コーセー | Cosmetics |
| JP2008106043A (en) * | 2006-09-29 | 2008-05-08 | Kose Corp | Oil-in-water (o/w) type emulsion cosmetic |
| JP5567765B2 (en) * | 2008-03-06 | 2014-08-06 | 株式会社 資生堂 | Oil-in-water emulsion composition |
| JP2009242269A (en) * | 2008-03-31 | 2009-10-22 | Kose Corp | Oil-in-water type emulsion cosmetic |
| JP5758585B2 (en) * | 2009-03-31 | 2015-08-05 | 株式会社コーセー | Oil-in-water emulsified cosmetic |
| JP5174789B2 (en) * | 2009-11-25 | 2013-04-03 | 花王株式会社 | O / W emulsified cosmetic |
| JP2012140334A (en) * | 2010-12-28 | 2012-07-26 | Isehan:Kk | Oil-in-water type cosmetic |
| JP6279457B2 (en) * | 2013-11-19 | 2018-02-14 | 株式会社 資生堂 | Oil-in-water emulsified cosmetic |
| JP6600455B2 (en) * | 2014-12-10 | 2019-10-30 | 花王株式会社 | Oil-in-water emulsified cosmetic |
| JP6321105B2 (en) | 2015-09-30 | 2018-05-09 | 株式会社 資生堂 | Oil-in-water emulsified cosmetic |
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2016
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| HK1250010A1 (en) | 2018-11-23 |
| JP7015644B2 (en) | 2022-02-15 |
| TW201717897A (en) | 2017-06-01 |
| KR20180054609A (en) | 2018-05-24 |
| CN108024941A (en) | 2018-05-11 |
| JP2017132820A (en) | 2017-08-03 |
| JP6321105B2 (en) | 2018-05-09 |
| JP2017066140A (en) | 2017-04-06 |
| JP7015643B2 (en) | 2022-02-15 |
| JP2017155048A (en) | 2017-09-07 |
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