WO2014069173A1 - 日焼け止め化粧料 - Google Patents
日焼け止め化粧料 Download PDFInfo
- Publication number
- WO2014069173A1 WO2014069173A1 PCT/JP2013/077204 JP2013077204W WO2014069173A1 WO 2014069173 A1 WO2014069173 A1 WO 2014069173A1 JP 2013077204 W JP2013077204 W JP 2013077204W WO 2014069173 A1 WO2014069173 A1 WO 2014069173A1
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- WIPO (PCT)
- Prior art keywords
- water
- sunscreen cosmetic
- sunscreen
- present
- oil
- Prior art date
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Classifications
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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
- A61K8/064—Water-in-oil emulsions, e.g. Water-in-silicone 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
- A61K8/26—Aluminium; Compounds 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
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/31—Hydrocarbons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
- A61K8/41—Amines
- A61K8/416—Quaternary ammonium compounds
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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
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/58—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing atoms other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur or phosphorus
- A61K8/585—Organosilicon compounds
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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
- A61K8/891—Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone
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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
- A61K8/891—Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone
- A61K8/894—Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone modified by a polyoxyalkylene group, e.g. cetyl dimethicone copolyol
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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
- A61K8/92—Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products thereof
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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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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/20—Chemical, physico-chemical or functional or structural properties of the composition as a whole
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/59—Mixtures
- A61K2800/592—Mixtures of compounds complementing their respective functions
Definitions
- the present invention relates to a sunscreen cosmetic. More specifically, the present invention relates to a sunscreen cosmetic that has an extremely high water-resistant effect and that is excellent in emulsion stability and use feeling.
- Emulsification-type sunscreen cosmetics are required to have a high water-resistant effect and also have excellent emulsification stability and feel when used.
- Patent Document 1 discloses an emulsification-type sunscreen cosmetic that is excellent in water repellency, has little re-emulsification property when in contact with water, has good makeup, and has excellent use feeling, emulsion stability, and safety. Has been.
- the sunscreen cosmetic described in Patent Document 1 does not use a conventional surfactant, emulsifies an oily substance with an acrylic acid / alkyl methacrylate copolymer, and further uses a water-resistant film forming agent in combination.
- the present invention provides an emulsified sunscreen cosmetic that is excellent in water resistance.
- Patent Document 2 a (diphenyldimethicone / vinyldiphenyldimethicone / silsesquioxane) crosspolymer, a specific polymer silicone, and an ultraviolet absorber having a maximum absorption wavelength in the UV-A region are blended, and the UV-A region.
- sunscreen cosmetics are disclosed that maintain a high UV protection effect and reduce stickiness and itchiness, thereby maintaining excellent use feeling and excellent water resistance.
- the object of the present invention is to provide a sunscreen cosmetic that has a high water-resistance effect and is excellent in use feeling and emulsion stability by blending a specific polysiloxane copolymer as an essential component.
- the present invention provides a sunscreen cosmetic characterized by containing the following components A to E.
- A. UV protection agent Volatile oil C.I. Cetyl dimethicone copolyol D.I. (Acrylates / stearyl acrylate / dimethicone methacrylate) copolymer Organically modified clay mineral
- the present invention also provides the sunscreen cosmetic described above, wherein the sunscreen cosmetic is a water-in-oil emulsified cosmetic.
- the present invention relates to the above-mentioned C.I.
- the content of cetyl dimethicone copolyol is 0.1 to 5% by mass;
- the above-mentioned sunscreen cosmetics characterized in that the content of the (acrylates / stearyl acrylate / dimethicone methacrylate) copolymer is 0.05 to 2% by mass.
- the sunscreen cosmetic of the present invention is extremely excellent in water resistance.
- the sunscreen cosmetic of the present invention is excellent in emulsion stability.
- the sunscreen cosmetic of the present invention is excellent in use feeling (not sticky and oily).
- the sunscreen cosmetic of the present invention is a sunscreen cosmetic that does not easily cause whitening even when exposed to sweat or water.
- the ultraviolet protective agent means an ultraviolet absorber and / or an ultraviolet scattering agent. In the present invention, it is preferable to blend both an ultraviolet absorber and an ultraviolet scattering agent.
- Benzoic acid ultraviolet absorbers For example, paraaminobenzoic acid (hereinafter abbreviated as PABA), PABA monoglycerin ester, N, N-dipropoxy PABA ethyl ester, N, N-diethoxy PABA ethyl ester, N, N-dimethyl PABA ethyl ester, N, N-dimethyl PABA butyl ester, N, N-dimethyl PABA ethyl ester and the like.
- Anthranilic acid-based ultraviolet absorbers such as homomenthyl-N-acetylanthranilate.
- Salicylic acid ultraviolet absorbers such as amyl salicylate, menthyl salicylate, homomenthyl salicylate, octyl salicylate, phenyl salicylate, benzyl salicylate, p-isopropanol phenyl salicylate, and the like.
- Cinnamic acid UV absorbers For example, ethylhexyl 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- ⁇ -cyano- ⁇ -phenylcinnamate, 2-ethylhexyl
- Triazine-based ultraviolet absorber for example, bisresorcinyl triazine. More specifically, bis ⁇ [4- (2-ethylhexyloxy) -2-hydroxy] phenyl ⁇ -6- (4-methoxyphenyl) 1,3,5-triazine, 2,4,6-tris ⁇ 4- (2-ethylhexyloxycarbonyl) anilino ⁇ 1,3,5-triazine and the like.
- UV absorbers For example, 3- (4'-methylbenzylidene) -d, l-camphor, 3-benzylidene-d, l-camphor, 2-phenyl-5-methylbenzoxazole, 2,2 '-Hydroxy-5-methylphenylbenzotriazole, 2- (2'-hydroxy-5'-t-octylphenyl) benzotriazole, 2- (2'-hydroxy-5'-methylphenylbenzotriazole, dianisoylmethane, 4-methoxy-4'-t-butyldibenzoylmethane, 5- (3,3-dimethyl-2-norbornylidene) -3-pentan-2-one, pyridazine derivatives such as dimorpholinopyridazinone.
- the ultraviolet scattering agent used in the present invention is not limited, but as the ultraviolet scattering agent having sufficient ultraviolet protective ability, fine particle titanium oxide and fine particle zinc oxide having an average primary particle diameter of 10 nm to 100 nm, more preferably 10 nm to 50 nm are particularly preferable. .
- the average particle diameter is measured by a conventional method such as a number average diameter by image analysis of a transmission electron micrograph.
- the method of hydrophobization treatment is not particularly limited, and the treatment can be performed by a known method.
- treatment with silicones such as methylhydrogenpolysiloxane, methylhydrogenpolysiloxane / dimethylpolysiloxane copolymer, dimethylpolysiloxane; treatment with silane compounds such as octyltriethoxysilane, hexyltrimethoxysilane; palmitic Treatment using fatty acid such as acid or stearic acid; Metal soap treatment using alkali metal salt or alkaline earth metal salt of fatty acid; Perfluoroalkyl phosphate diethanolamine salt, perfluoroalkyltrimethoxysilane, etc. Fluorine treatment etc. are mentioned.
- the blending amount of the ultraviolet protective agent is 5 to 45% by mass, preferably 5 to 40% by mass, more preferably 5 to 35% with respect to the total amount of the sunscreen cosmetic. % By mass.
- the volatile oil used in the present invention includes, for example, low-polymerized dimethylpolysiloxane and cyclic polysiloxane (for example, octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, dodecamethylcyclohexasiloxane, etc.), isohexadecane, and fluorine-based oil.
- Volatile oil is a component constituting the oil phase when the sunscreen cosmetic of the present invention is prepared into an emulsified composition.
- the blending amount of the volatile oil is 1 to 40% by mass, preferably 5 to 35% by mass, and more preferably 10 to 30% by mass with respect to the total amount of the sunscreen cosmetic.
- C. Cetyl dimethicone copolyol A commercially available product can be used as the cetyl dimethicone copolyol used in the present invention.
- a commercial product with a trade name “ABIL EM90 (manufactured by Degussa)” can be preferably used.
- it is a component that functions as a surfactant when producing a water-in-oil type emulsion sunscreen cosmetic.
- Example 1 of the present invention functions as a surfactant for a water-in-oil type emulsion sunscreen cosmetic and achieves excellent emulsion stability.
- the blending amount of cetyl dimethicone copolyol is 0.1 to 5% by mass, preferably 0.1 to 4% by mass, more preferably 0.1 to 3% by mass, based on the total amount of the sunscreen cosmetic. .
- the (acrylates / stearyl acrylate / dimethicone methacrylate) copolymer used in the present invention is also referred to as stearyl-modified acrylate silicone, and a commercially available product can be used.
- a commercial product under the trade name “KP-561P (manufactured by Shin-Etsu Chemical Co., Ltd.)” can be preferably used.
- the blending amount of the (acrylates / stearyl acrylate / dimethicone methacrylate) copolymer is 0.05 to 6% by mass, preferably 0.05 to 2% by mass, and more preferably 0% with respect to the total amount of the sunscreen cosmetic. .05 to 1% by mass.
- Organically modified clay minerals The organically modified clay mineral used in the present invention is used as an emulsification aid when the sunscreen cosmetic of the present invention is prepared as an emulsified composition.
- This organically modified clay mineral is a kind of colloidal hydrous aluminum silicate having a three-layer structure, and is obtained by modifying a clay mineral with a quaternary ammonium salt type cationic surfactant.
- organic modified bentonite, organic modified hectorite, etc. can be used.
- Benton 27 (benzyldimethylstearyl ammonium chloride-treated hectorite: National Red) and Benton 38 (distearyldimethylammonium chloride-treated hectorite: National Red) are preferably blended as commercially available products.
- the blending amount of the organically modified clay mineral is 0.1 to 5% by mass, preferably 0.1 to 4% by mass, and more preferably 0.1 to 3% by mass with respect to the total amount of the sunscreen cosmetic. .
- the dosage form of the sunscreen cosmetic containing the above essential components is not limited, but it is preferably prepared as a water-in-oil emulsified sunscreen cosmetic such as cream or emulsion.
- the surfactant used when preparing a water-in-oil type emulsion sunscreen cosmetic is “C. cetyl dimethicone copolyol” as an essential component, and it is difficult to achieve emulsion stability with other surfactants. .
- F. an essential component of the water-in-oil type emulsion sunscreen cosmetic, “F. It is preferable to mix ethanol, glycerin and the like with the aqueous phase component.
- the water used in the present invention is a component that constitutes the aqueous phase of the internal phase of the water-in-oil type emulsion sunscreen cosmetic.
- the blending amount is about 5 to 30% by mass with respect to the total amount of the water-in-oil type emulsion sunscreen cosmetic.
- the sunscreen cosmetics of the present invention are oils, moisturizers, thickeners, powders, alcohols, natural polymers, synthetic polymers, sugars, antioxidants as long as the effects of the present invention are not impaired in addition to the above essential components.
- Components that are usually blended in cosmetics such as agents, buffers, various extracts, stabilizers, preservatives, pigments, and fragrances can be blended as appropriate.
- a compounding quantity represents the mass% with respect to the whole quantity.
- oil phase ingredients of “Table 1” water-in-oil sunscreen cosmetics and the emulsions that are water-in-oil emulsified sunscreen cosmetics of “Table 2” were produced by conventional methods and evaluated for water resistance and emulsion stability. Went.
- the oil phase component of the water-in-oil type emulsion sunscreen cosmetics shown in “Table 1” is a formulation of an oil phase that is mixed with the water phase component by a conventional method to become a water-in-oil type emulsion sunscreen cosmetics. .
- the water resistance was evaluated.
- Oil resistance judgment 1 Paying attention to the oil phase component of “Table 1” used when producing water-in-oil emulsified sunscreen cosmetics (the oil phase component is the outer phase of water-in-oil emulsified sunscreen cosmetics), The water resistance of the oil phase film itself as the outer phase was evaluated.
- Test Example 1 oil phase component which becomes a water-in-oil emulsified sunscreen cosmetic of the present invention by mixing with an aqueous phase
- Comparative Test Examples 1 to 5 Acrylates / acrylic even when mixed with an aqueous phase
- Steparyl / dimethicone methacrylate copolymer is not blended, so the oil phase component of the water-in-oil emulsified sunscreen cosmetics of the present invention
- HITACHI U-4100 spectrophotometer
- ⁇ Absorbance after water resistance The PMMA plate was immersed in water at 29 ° C. for 30 minutes to make it water resistant, and after drying, the absorbance in the range of 280 nm to 400 nm was measured with a spectrophotometer (HITACHI U-4100).
- X The ratio of integral values is 80% or less.
- Emsification stability The water-in-oil type emulsion sunscreen cosmetics (milky lotion) of Examples and Comparative Examples in “Table 2” were put in glass containers and rotated for 4 hours at 45 rpm. Observed and evaluated according to the following criteria. ⁇ : Unification of emulsified particles is not recognized. X: Unification of emulsified particles is recognized.
- the sunscreen cosmetic of the present invention exhibits extremely excellent water resistance and emulsion stability. Furthermore, the sunscreen cosmetic of Example 1 is a sunscreen cosmetic that is excellent in use feeling (not sticky and not oily) and does not cause whitening even when exposed to sweat or water.
- Example 2 Sunscreen cream (W / O cream) Compounding ingredients Mass% (1) Fine zinc oxide 20 (2) Fine titanium oxide 2 (3) Ethylhexyl methoxycinnamate 7 (4) Decamethylcyclopentasiloxane 10 (5) Isopropyl myristate 5 (6) Mineral oil 1 (7) Carboxy modified silicone 2 (8) (Acrylates / stearyl acrylate / Dimethicone methacrylate) copolymer 0.8 (9) Cetyl dimethicone copolyol 1 (10) Organically modified bentonite 1 (11) Remaining ion exchange water (12) Glycerin 2.5 (13) 1,3-butylene glycol 5 (14) Alcohol 5 (15) Phenoxyethanol 0.5 Production method: (1) to (10) were mixed and dispersed. Thereafter, the water phases (11) to (15) mixed and dissolved were added and mixed to obtain the desired sunscreen cream.
- Example 3 Sunscreen lotion (2-layer W / O emulsion) Compounding ingredients Mass% (1) Decamethylcyclopentasiloxane 20 (2) Isohexadecane 10 (3) Dimethylpolysiloxane (6cs) 5 (4) Cetyl dimethicone copolyol 0.8 (5) Organically modified bentonite 0.5 (6) Octocrylene 3 (7) Ethylhexyl methoxycinnamate 5 (8) Fine zinc oxide 12 (9) Fine particle titanium oxide 5 (10) Polymethylmethacrylate spherical powder 3 (11) (Acrelats / stearyl acrylate / Dimethicone methacrylate) copolymer 1 (12) Residual amount of ion-exchanged water (13) 2-Amino-2-methyl-1,3-propanediol 1 (14) Phenylbenzimidazolesulfonic acid 2 (15) Glycerin 2 (16) 1,3-butylene glycol 3 (17) Parab
- Example 4 Sunscreen lotion (2-layer W / O emulsion) Compounding ingredients Mass% (1) Isododecane 17 (2) Dimethylpolysiloxane (6cs) 5 (3) Tri (capryl / capric acid) glyceryl 5 (4) Isostearic acid 1 (5) Cetyl dimethicone copolyol 2 (6) Organically modified bentonite 0.4 (7) Organopolysiloxane elastomer spherical powder 10 (8) Fine zinc oxide 15 (9) (Acrelats / stearyl acrylate / Dimethicone methacrylate) copolymer 0.2 (10) Remaining ion exchange water (11) Tranexamic acid 2 (12) EDTA 0.2 (13) Xylitol 3 (14) 1,3-butylene glycol 5 (15) Phenoxyethanol 0.5 Production method: (1) to (9) were mixed and dispersed. Thereafter, the water phases (10) to (15) mixed and dissolved were added and mixed to
- the sunscreen cosmetic of the present invention is a sunscreen cosmetic that has an extremely high water-resistant effect and is excellent in emulsification stability and use feeling.
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Abstract
Description
一般的には、油中水型乳化製剤は水中油型乳化製剤に比べて撥水性と耐水性が高いことが知られているが、特許文献1記載の日焼け止め化粧料は、水中油型の乳化製剤に着目した耐水性向上を示したものである。しかしながら、油中水型の乳化製剤に関しては「べたつきがありさっぱりした使用感触が得られ難く、安定性上問題があること」が指摘されており、油中水型乳化製剤での耐水性向上については達成されていない。
しかしながら、使用感触と耐水性を両立させるには、(ジフェニルジメチコン/ビニルジフェニルジメチコン/シルセスキオキサン)クロスポリマーと高重合度ジメチコンの組み合わせに限定されており、高重合度ジメチコンを日焼け止め化粧料に配合すると使用感触の重さが伴うため、使用感触の幅が制限されてしまうという問題点がある。
A.紫外線防御剤
B.揮発性油分
C.セチルジメチコンコポリオール
D.(アクリレーツ/アクリル酸ステアリル/メタクリル酸ジメチコン)コポリマー
E.有機変性粘土鉱物
また、本発明の日焼け止め化粧料は、乳化安定性に優れている。
さらに、本発明の日焼け止め化粧料は、使用感触(べたつかず、油っぽくない)に優れている。
また、本発明の日焼け止め化粧料は、汗や水にさらされても、白浮きをし難い日焼け止め化粧料である。
本発明において紫外線防御剤とは、紫外線吸収剤及び/又は紫外線散乱剤を意味する。
本発明では、紫外線吸収剤と紫外線散乱剤の両者を配合することが好ましい。
(1)安息香酸系紫外線吸収剤
例えば、パラアミノ安息香酸(以下、PABAと略す)、PABAモノグリセリンエステル、N,N-ジプロポキシPABAエチルエステル、N,N-ジエトキシPABAエチルエステル、N,N-ジメチルPABAエチルエステル、N,N-ジメチルPABAブチルエステル、N,N-ジメチルPABAエチルエステルなど。
(2)アントラニル酸系紫外線吸収剤
例えば、ホモメンチル-N-アセチルアントラニレートなど。
(3)サリチル酸系紫外線吸収剤
例えば、アミルサリシレート、メンチルサリシレート、ホモメンチルサリシレート、オクチルサリシレート、フェニルサリシレート、ベンジルサリシレート、p-イソプロパノールフェニルサリシレートなど。
(4)ケイ皮酸系紫外線吸収剤
例えば、メトキシケイヒ酸エチルヘキシル、エチル-4-イソプロピルシンナメート、メチル-2,5-ジイソプロピルシンナメート、エチル-2,4-ジイソプロピルシンナメート、メチル-2,4-ジイソプロピルシンナメート、プロピル-p-メトキシシンナメート、イソプロピル-p-メトキシシンナメート、イソアミル-p-メトキシシンナメート、オクチル-p-メトキシシンナメート(2-エチルヘキシル-p-メトキシシンナメート)、2-エトキシエチル-p-メトキシシンナメート、シクロヘキシル-p-メトキシシンナメート、エチル-α-シアノ-β-フェニルシンナメート、2-エチルヘキシル-α-シアノ-β-フェニルシンナメート、グリセリルモノ-2-エチルヘキサノイル-ジパラメトキシシンナメートなど。
(5)トリアジン系紫外線吸収剤
例えば、ビスレゾルシニルトリアジン。
さらに具体的には、ビス{〔4-(2-エチルヘキシロキシ)-2-ヒドロキシ〕フェニル}-6-(4-メトキシフェニル)1,3,5-トリアジン、2,4,6-トリス{4-(2-エチルヘキシロキシカルボニル)アニリノ}1,3,5-トリアジンなど。
(6)その他の紫外線吸収剤
例えば、3-(4'-メチルベンジリデン)-d,l-カンファー、3-ベンジリデン-d,l-カンファー、2-フェニル-5-メチルベンゾキサゾール、2,2'-ヒドロキシ-5-メチルフェニルベンゾトリアゾール、2-(2'-ヒドロキシ-5'-t-オクチルフェニル) ベンゾトリアゾール、2-(2'-ヒドロキシ-5'-メチルフェニルベンゾトリアゾール、ジアニソイルメタン、4-メトキシ-4'-t-ブチルジベンゾイルメタン、5-(3,3-ジメチル-2-ノルボルニリデン)-3-ペンタン-2-オン。ジモルホリノピリダジノンなどのピリダジン誘導体。
また、本発明においては、疎水化処理酸化亜鉛及び/又は疎水化処理酸化チタンを用いることが好ましい。
また、疎水化処理の方法は、特に制限されるものでなく、公知の方法にて処理することができる。例えば、メチルハイドロジェンポリシロキサン、メチルハイドロジェンポリシロキサン・ジメチルポリシロキサンコポリマー、ジメチルポリシロキサン等のシリコーン類を用いた処理;オクチルトリエトキシシラン、ヘキシルトリメトキシシラン等のシラン化合物を用いた処理;パルミチン酸、ステアリン酸等の脂肪酸を用いた処理;前記脂肪酸のアルカリ金属塩またはアルカリ土類金属塩等を用いた金属セッケン処理;パーフルオロアルキルリン酸ジエタノールアミン塩、パーフルオロアルキルトリメトキシシラン等を用いたフッ素処理等が挙げられる。
本発明に用いる揮発性油分は、例えば、低重合ジメチルポリシロキサンや環状ポリシロキサン(例えば、オクタメチルシクロテトラシロキサン、デカメチルシクロペンタシロキサン、ドデカメチルシクロヘキサシロキサン等)、イソヘキサデカン、フッ素系油分を使用できる。
揮発性油分は、本発明の日焼け止め化粧料が乳化組成物に調製される際には、油相を構成する成分である。
本発明に用いるセチルジメチコンコポリオールは市販品を使用できる。例えば、商品名「ABIL EM90(Degussa製)」の市販品を好ましく使用できる。
本発明においては、油中水型乳化日焼け止め化粧料を製造する際に、界面活性剤として機能する成分である。
例えば、後述する「表2」では、本発明の実施例1では油中水型乳化日焼け止め化粧料の界面活性剤として機能しており、優れた乳化安定性を達成している。これに対して、比較例1及び比較例2では、界面活性剤として、それぞれ、PEG-9ポリジメチルシロキシエチルジメチコン、PEG-10ジメチコンを使用しているため、乳化安定性が達成できていない。
本発明に用いる(アクリレーツ/アクリル酸ステアリル/メタクリル酸ジメチコン)コポリマーは、ステアリル変性アクリレートシリコンとも称され、市販品を使用できる。例えば、商品名「KP-561P(信越化学工業製)」の市販品を好ましく使用できる。
本発明に用いる有機変性粘土鉱物は、本発明の日焼け止め化粧料が乳化組成物として調製される際には乳化助剤として用いられものである。この有機変性粘土鉱物は、三層構造を有するコロイド性含水ケイ酸アルミニウムの一種であり、粘土鉱物を第四級アンモニウム塩型カチオン界面活性剤で変性したものである。例えば、有機変性ベントナイト、有機変性ヘクトライトなどを用いることが出来る。
具体的には、ジメチルジステアリルアンモニウムヘクトライト、ジメチルアルキルアンモニウムヘクトライト、ベンジルジメチルステアリルアンモニウムヘクトライト、塩化ジステアリルジメチルアンモニウム処理ケイ酸アルミニウムマグネシウム等が挙げられる。市販品としては、ベントン27(ベンジルジメチルステアリルアンモニウムクロライド処理ヘクトライト:ナショナルレッド社製)およびベントン38(ジステアリルジメチルアンモニウムクロライド処理ヘクトライト:ナショナルレッド社製)が好ましく配合される。
油中水型乳化日焼け止め化粧料を調製する場合に用いる界面活性剤は、必須成分の「C.セチルジメチコンコポリオール」であり、他の界面活性剤では、乳化安定性の達成が困難である。
また、油中水型乳化日焼け止め化粧料の必須成分として、さらに、水相として「F.水」を配合する。水相成分には、エタノール、グリセリン等を配合することが好ましい。
本発明に使用する水は、油中水型乳化日焼け止め化粧料の内相の水相を構成する成分である。その配合量は、油中水型乳化日焼け止め化粧料全量に対して、5~30質量%程度である。
なお、本発明の油中水型乳化日焼け止め化粧料において、水相(水に溶解している水溶性成分も含む)と油相(油分に溶解又は分散している成分も含む)の質量比は、水相:油相=3:7~1:9の範囲が好ましい。
なお、「表1」に示す油中水型乳化日焼け止め化粧料の油相成分は、常法により水相成分と混合して油中水型乳化日焼け止め化粧料となる油相の処方である。「表1」の油相成分については、その耐水性について評価した。
油中水型乳化日焼け止め化粧料を製造する際に使用する「表1」の油相成分の(当該油相成分は油中水型乳化日焼け止め化粧料の外相となる)に着目して、外相となる油相の膜自体の耐水性を評価した。
<耐水前吸光度>
試験例1(水相と混合することにより、本発明の油中水型乳化日焼け止め化粧料となる油相成分)、比較試験例1~5(水相と混合しても、(アクリレーツ/アクリル酸ステアリル/メタクリル酸ジメチコン)コポリマーが配合されていないため、本発明の油中水型乳化日焼け止め化粧料にはならない油相成分)の油相成分を、PMMA板に2mg/cm2塗布し、分光光度計(HITACHI U-4100)により280nm~400nmの範囲の吸光度を測定した。
<耐水後吸光度>
上記PMMA板を29℃の水中に30分間浸して耐水させ、乾燥後に280nm~400nmの範囲の吸光度を分光光度計(HITACHI U-4100)により測定した。
<耐水性判定1>
上記の耐水前後の280~400nmの吸光度の積分値の比を算出して、耐水性を以下の如く判定した。
○:積分値の比が90%を超える。
△:積分値の比が80%を超えて90%以下である。
×:積分値の比が80%以下である。
「表2」の油中水型乳化日焼け止め化粧料(乳液)を腕に2mg/cm2塗布し、水中で30分間耐水させ、乾燥後の撥水性を目視にて評価した。
乳化安定性評価
○:撥水性が保たれている。
×:撥水性が保たれていない。
「表2」の実施例及び比較例の油中水型乳化日焼け止め化粧料(乳液)を、それぞれガラス容器に入れ、45rpmで4時間回転させた後の乳化粒子の合一の有無を目視で観察し、以下の基準で評価した。
○:乳化粒子の合一が認められない。
×:乳化粒子の合一が認められる。
さらに、実施例1の日焼け止め化粧料は、使用感触(べたつかず、油っぽくない)に優れ、また、汗や水にさらされても、白浮きをしない日焼け止め化粧料である。
配合成分 質量%
(1)微粒子酸化亜鉛 20
(2)微粒子酸化チタン 2
(3)メトキシケイヒ酸エチルヘキシル 7
(4)デカメチルシクロペンタシロキサン 10
(5)ミリスチン酸イソプロピル 5
(6)ミネラルオイル 1
(7)カルボキシ変性シリコーン 2
(8)(アクリレーツ/アクリル酸ステアリル/
メタクリル酸ジメチコン)コポリマー 0.8
(9)セチルジメチコンコポリオール 1
(10)有機変性ベントナイト 1
(11)イオン交換水 残量
(12)グリセリン 2.5
(13)1,3-ブチレングリコール 5
(14)アルコール 5
(15)フェノキシエタノール 0.5
製造方法:(1)~(10)を混合分散した。その後、混合溶解した(11)~(15)の水相を添加し混合し、目的の日焼け止めクリームを得た。
配合成分 質量%
(1)デカメチルシクロペンタシロキサン 20
(2)イソヘキサデカン 10
(3)ジメチルポリシロキサン(6cs) 5
(4)セチルジメチコンコポリオール 0.8
(5)有機変性ベントナイト 0.5
(6)オクトクリレン 3
(7)メトキシケイヒ酸エチルヘキシル 5
(8)微粒子酸化亜鉛 12
(9)微粒子酸化チタン 5
(10)ポリメチルメタクリレート球状粉末 3
(11)(アクリレーツ/アクリル酸ステアリル/
メタクリル酸ジメチコン)コポリマー 1
(12)イオン交換水 残量
(13)2-アミノ-2-メチル-1,3-プロパンジオ-ル 1
(14)フェニルベンズイミダゾールスルホン酸 2
(15)グリセリン 2
(16)1,3-ブチレングリコール 3
(17)パラベン 0.2
製造方法:(1)~(11)を混合分散した。その後、混合溶解した(12)~(17)の水相を添加し混合し、目的の日焼け止めローションを得た。
配合成分 質量%
(1)イソドデカン 17
(2)ジメチルポリシロキサン(6cs) 5
(3)トリ(カプリル・カプリン酸)グリセリル 5
(4)イソステアリン酸 1
(5)セチルジメチコンコポリオール 2
(6)有機変性ベントナイト 0.4
(7)オルガノポリシロキサンエラストマー球状粉末 10
(8)微粒子酸化亜鉛 15
(9)(アクリレーツ/アクリル酸ステアリル/
メタクリル酸ジメチコン)コポリマー 0.2
(10)イオン交換水 残量
(11)トラネキサム酸 2
(12)EDTA 0.2
(13)キシリトール 3
(14)1,3-ブチレングリコール 5
(15)フェノキシエタノール 0.5
製造方法:(1)~(9)を混合分散した。その後、混合溶解した(10)~(15)の水相を添加し混合し、目的の日焼け止めローションを得た。
Claims (3)
- 下記成分A~Eを含有することを特徴とする日焼け止め化粧料。
A.紫外線防御剤
B.揮発性油分
C.セチルジメチコンコポリオール
D.(アクリレーツ/アクリル酸ステアリル/メタクリル酸ジメチコン)コポリマー
E.有機変性粘土鉱物 - 前記日焼け止め化粧料が油中水型乳化化粧料であることを特徴とする請求項1記載の日焼け止め化粧料。
- 日焼け止め化粧料全量に対して、前記C.セチルジメチコンコポリオールの含有量が、0.1~5質量%であり、前記D.(アクリレーツ/アクリル酸ステアリル/メタクリル酸ジメチコン)コポリマーの含有量が、0.05~2質量%であることを特徴とする請求項1又は2記載の日焼け止め化粧料。
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EP13852059.8A EP2915524B1 (en) | 2012-10-30 | 2013-10-07 | Sunscreen cosmetic |
ES13852059.8T ES2650993T3 (es) | 2012-10-30 | 2013-10-07 | Cosmético de protección solar |
KR1020157014253A KR101563853B1 (ko) | 2012-10-30 | 2013-10-07 | 자외선 차단제 화장료 |
US14/428,748 US20150231043A1 (en) | 2012-10-30 | 2013-10-07 | Sunscreen cosmetic |
HK15108899.8A HK1208347A1 (en) | 2012-10-30 | 2015-09-11 | Sunscreen cosmetic |
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JP2012239361A JP5694273B2 (ja) | 2012-10-30 | 2012-10-30 | 日焼け止め化粧料 |
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CN (1) | CN104768529B (ja) |
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JP2017128512A (ja) * | 2016-01-18 | 2017-07-27 | 株式会社 資生堂 | 油中水型乳化化粧料 |
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JP6263244B2 (ja) * | 2015-10-09 | 2018-01-17 | 株式会社 資生堂 | 噴霧型日焼け止め化粧料 |
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KR101805823B1 (ko) | 2016-08-19 | 2017-12-07 | 주식회사 한국화장품제조 | 유중수형 화장료 조성물이 주입된 폴리우레탄 발포폼을 포함하는 워터드롭 타입 화장품 |
US11696886B2 (en) * | 2017-05-31 | 2023-07-11 | Shiseido Company, Ltd. | Cosmetic |
WO2019045056A1 (ja) * | 2017-09-01 | 2019-03-07 | 株式会社 資生堂 | 油中水型乳化化粧料 |
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JP2024506705A (ja) * | 2021-02-18 | 2024-02-14 | ベーアーエスエフ・エスエー | 改良された長時間持続する日焼け止め化粧料 |
WO2024130617A1 (en) * | 2022-12-22 | 2024-06-27 | L'oreal | Composition for making up keratin materials |
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HK1208347A1 (en) | 2016-03-04 |
EP2915524A1 (en) | 2015-09-09 |
JP2014088346A (ja) | 2014-05-15 |
KR20150065950A (ko) | 2015-06-15 |
JP5694273B2 (ja) | 2015-04-01 |
CN104768529A (zh) | 2015-07-08 |
CN104768529B (zh) | 2017-11-28 |
US20150231043A1 (en) | 2015-08-20 |
EP2915524A4 (en) | 2016-05-04 |
TW201427700A (zh) | 2014-07-16 |
TWI617322B (zh) | 2018-03-11 |
EP2915524B1 (en) | 2017-09-06 |
ES2650993T3 (es) | 2018-01-23 |
KR101563853B1 (ko) | 2015-11-06 |
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