WO2015098433A1 - 油中水型乳化日焼け止め化粧料 - Google Patents
油中水型乳化日焼け止め化粧料 Download PDFInfo
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- WO2015098433A1 WO2015098433A1 PCT/JP2014/081812 JP2014081812W WO2015098433A1 WO 2015098433 A1 WO2015098433 A1 WO 2015098433A1 JP 2014081812 W JP2014081812 W JP 2014081812W WO 2015098433 A1 WO2015098433 A1 WO 2015098433A1
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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
- A61K8/0241—Containing particulates characterized by their shape and/or structure
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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
- A61K8/0241—Containing particulates characterized by their shape and/or structure
- A61K8/025—Explicitly spheroidal or spherical shape
-
- 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
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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
- A61K8/27—Zinc; 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
- A61K8/19—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
- 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
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/34—Alcohols
- A61K8/345—Alcohols containing more than one hydroxy group
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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
- A61Q1/00—Make-up preparations; Body powders; Preparations for removing make-up
- A61Q1/02—Preparations containing skin colorants, e.g. pigments
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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
- A61K2800/21—Emulsions characterized by droplet sizes below 1 micron
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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
- A61K2800/30—Characterized by the absence of a particular group of ingredients
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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
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/41—Particular ingredients further characterized by their size
- A61K2800/413—Nanosized, i.e. having sizes below 100 nm
Definitions
- the present invention relates to a water-in-oil type emulsion sunscreen cosmetic. More specifically, it is a sunscreen cosmetic to be applied to the face including the periphery of the eyes, which is less irritating to the eyes, has a high UVB and UVA protection effect, and also has an excellent makeup effect. It relates to stop cosmetics.
- the water-in-oil emulsion composition is excellent in water resistance, it is used in many cosmetics such as sunscreens and makeup products.
- sunscreens and makeup products In recent years, as the harm of A-wave ultraviolet rays (UVA) on the skin is known, there is a need for sunscreen agents that not only cut UVB but also UVA.
- UVA A-wave ultraviolet rays
- Sunscreen cosmetics that impart a sunscreen effect are blended with UV scattering agents and UV absorbers, but octyl methoxycinnamate and octocrylene are often used as liquid UV absorbers to make it easier to spread on the skin. Further, in order to cut not only UVB but also UVA, zinc oxide and avobenzone are often used in sunscreen cosmetics (see, for example, Patent Documents 1 to 3 and Non-Patent Document 1).
- UVA ultraviolet absorbers are solid at room temperature, and are difficult to dissolve and blend, so they are liquid UVB absorbers.
- a combination of octyl methoxycinnamate and octocrylene, and powdered zinc oxide as a UVA protective component, avobenzone having a high UVA absorbance per unit concentration and octyl methoxycinnamate which is a liquid UVB absorber A technique of blending octocrylene is often used.
- sunscreen cosmetics containing octylmethoxycinnamate, octocrylene, and UVA absorber avobenzone as typical UVB absorbers.
- sunscreen cosmetics have been found to cause irritation when in contact with eyes. Therefore, sunscreen cosmetics containing octyl methoxycinnamate, octocrylene, and avobenzone are inappropriate as sunscreens to be applied to the face, but from the viewpoint of sunscreen on the face, UVA and UVB ultraviolet rays are sufficient to protect the face. Development of sunscreen cosmetics that protect the skin is expected.
- the inventors of the present application have conducted extensive research to develop a sunscreen cosmetic to be applied to the face with less irritation to the eyes, and as a result, combined titanium oxide and zinc oxide having a specific particle size.
- a sunscreen cosmetic having a makeup effect can be obtained, and have completed the present invention.
- the object of the present invention is to provide a sufficiently high UVA and UVB ultraviolet-ray-preventing effect without blending octylmethoxycinnamate, octocrylene and avobenzone, no irritation to the eyes, and a tanning that has an excellent makeup effect It is to provide stop cosmetics.
- the present invention is characterized in that it contains the following components (a), (b), (c) and (d) in the outer phase, and does not contain octylmethoxycinnamate, octocrylene and avobenzone.
- a water-in-water emulsified sunscreen cosmetic is provided.
- B 0.1 to 10% by mass of iron oxide
- C 5 to 15% by mass of hydrophobized zinc oxide having an average particle size of 20 to 80 nm
- D 0 to 1.0 mass% of titanium oxide for white pigment having an average particle diameter of 180 nm or more
- the present invention also provides the water-in-oil type emulsion sunscreen cosmetic described above, wherein the crystal of the component (a) is not spindle-shaped but is a mass close to a sphere.
- the present invention provides the water-in-oil type emulsion sunscreen cosmetic described above, wherein the total amount of the components (a) and (c) is 16 to 25% by mass.
- the remarkable effects of the sunscreen cosmetic of the present invention are as follows. (1) Even if octyl methoxycinnamate, octocrylene and avobenzone are not blended, a sufficiently high UVA and UVB ultraviolet-ray preventing effect is exhibited. (2) Less eye irritation. Therefore, the sunscreen cosmetic of the present invention can be preferably used on the face including around the eyes. (3) Excellent makeup effect.
- FIG. 1 is a graph showing the ultraviolet absorption effect of UVA and UVB in Examples and Comparative Examples.
- (A) Hydrophobized rutile crystalline titanium oxide having an average particle size of 30 to 80 nm In the present invention, a hydrophobized rutile crystalline titanium oxide having an average particle size of 30 to 80 nm is used as the component (a).
- the average particle diameter is measured by a conventional method such as number average diameter (average of arbitrary 50 particles) by image analysis of a transmission electron micrograph.
- the rutile-type crystalline titanium oxide crystal used in the present invention is preferably not in a spindle shape but in a lump shape close to a sphere.
- the surface of the rutile-type crystalline titanium oxide used in the present invention is subjected to a hydrophobic treatment.
- Hydrophobic treatment is not particularly limited, but is performed by a known method.
- treatment with silicones such as methylhydrogenpolysiloxane, methylhydrogenpolysiloxane / dimethylpolysiloxane copolymer, dimethylpolysiloxane; treatment with silane compounds such as octyltriethoxysilane, hexyltrimethoxysilane; palmitic acid
- Treatment with fatty acid such as stearic acid;
- Metal soap treatment with alkali metal salt or alkaline earth metal salt of fatty acid; Perfluoroalkylphosphoric acid diethanolamine salt, perfluoroalkyltrimethoxysilane silane, etc. Fluorine treatment etc. are mentioned.
- a hydrophobizing treatment using aluminum stearate or octyltriethoxysilane is particularly preferable.
- the hydrophobized rutile type crystalline titanium oxide is contained in the oil phase of the outer phase of the water-in-oil type emulsion sunscreen cosmetic.
- the blending amount of the hydrophobized rutile crystalline titanium oxide having an average particle size of 30 to 80 nm is 5 to 15% by mass, preferably 6 to 12%, based on the total amount of the water-in-oil type emulsion sunscreen cosmetic. % By mass, more preferably 7 to 10% by mass. If the blending amount is less than 5% by mass, a sufficient UV protection effect cannot be obtained, and if it exceeds 15% by mass, the sunscreen cosmetic may become powdery and the usability may be deteriorated.
- iron oxide powder is used as the component (b).
- the type of iron oxide (Bengara, iron oxide yellow, iron oxide black, etc.) and its average particle size are not particularly limited.
- iron oxide is contained in the oil phase of the outer phase of the water-in-oil type emulsion sunscreen cosmetic.
- the amount of iron oxide is 0.1 to 10% by mass, preferably 0.5 to 5% by mass, more preferably 1.1 to 3.3%, based on the total amount of the water-in-oil type emulsion sunscreen cosmetic. % By mass.
- hydrophobized zinc oxide having an average particle size of 20 to 80 nm is used as component (c).
- the average particle diameter is measured by a conventional method such as a number average diameter (average of arbitrary 50 particles) by image analysis of a transmission electron micrograph.
- the hydrophobized zinc oxide is contained in the oil phase of the outer phase of the water-in-oil type emulsion sunscreen cosmetic.
- the surface of zinc oxide used in the present invention is hydrophobized.
- Hydrophobic treatment is not particularly limited, but is performed by a known method.
- silicones such as methylhydrogenpolysiloxane, methylhydrogenpolysiloxane / dimethylpolysiloxane copolymer, dimethylpolysiloxane
- silane compounds such as octyltriethoxysilane, hexyltrimethoxysilane
- palmitic acid Treatment with fatty acid such as stearic acid
- Metal soap treatment with alkali metal salt or alkaline earth metal salt of fatty acid; Perfluoroalkylphosphoric acid diethanolamine salt, perfluoroalkyltrimethoxysilane silane, etc.
- Fluorine treatment etc. are mentioned.
- a hydrophobic treatment using silicones or octyltriethoxysilane is preferred.
- the zinc oxide hydrophobized in the present invention is contained in the oil phase of the outer phase of the water-in-oil type emulsion sunscreen cosmetic.
- the blending amount of the hydrophobized zinc oxide having an average particle diameter of 20 to 80 nm is 5 to 15% by mass, preferably 7 to 13% by mass, based on the total amount of the water-in-oil type emulsion sunscreen cosmetic. is there. If the blending amount is less than 5% by mass, a sufficient UV protection effect cannot be obtained, and if it exceeds 15% by mass, the sunscreen cosmetic may become powdery and the usability may deteriorate. Further, the total blending amount with the above-mentioned hydrophobized rutile-type crystalline titanium oxide also affects the UV protection effect and the feeling of use.
- the total amount of the component (a) hydrophobized rutile crystalline titanium oxide and the component (c) hydrophobized zinc oxide is 10 to 40 mass based on the total amount of the water-in-oil type emulsion sunscreen cosmetic. % Is preferable, and more preferably 16 to 25%.
- (D) Titanium oxide for white pigment having an average particle diameter of 180 nm or more titanium oxide for white pigment having an average particle diameter of 180 nm or more is used as the component (d).
- the average particle diameter is measured by a conventional method such as a number average diameter (average of arbitrary 50 particles) by image analysis of a transmission electron micrograph.
- the titanium oxide for white pigment is contained in the oil phase of the outer phase of the water-in-oil type emulsion sunscreen cosmetic.
- the blending amount of the titanium oxide for white pigment having an average particle diameter of 180 nm or more is 0 to 1.0% by mass with respect to the total amount of the water-in-oil type emulsion sunscreen cosmetic. That is, in the water-in-oil type emulsion sunscreen cosmetics of the present invention, titanium oxide for white pigment having an average particle diameter of 180 nm or more is not blended, and even when blended, the blending amount is in the oil. It is 1.0 mass% or less with respect to water type emulsification sunscreen cosmetics whole quantity.
- UV absorbers octyl methoxycinnamate and octocrylene and avobenzone are blended in order to protect UVA and UVB UV rays.
- UV absorbers octyl methoxycinnamate and octocrylene are added.
- avobenzone is not blended.
- an excellent UVA and UVB UV protection effect can be exhibited and eye irritation can be reduced without including these UV absorbers.
- the water-in-oil emulsified sunscreen cosmetic of the present invention contains a surfactant (emulsifier), oil, and water necessary for producing a water-in-oil emulsified sunscreen cosmetic. To do. This will be described below.
- the surfactant used in the water-in-oil type emulsion sunscreen cosmetic of the present invention is not particularly limited, but it is preferable to add a silicone surfactant.
- the silicone surfactant is not particularly limited as long as it can be used in a water-in-oil type emulsion system.
- a poly (oxyethylene / oxypropylene) methylpolysiloxane copolymer Oxyethylene methyl polysiloxane copolymer, silicone chain branched methyl polysiloxane copolymer, alkyl chain branched polyoxyethylene methyl polysiloxane copolymer, alkyl chain / silicone chain branched polyoxyethylene methyl polysiloxane copolymer , Cross-linked polyoxyethylene methyl polysiloxane, alkyl group-containing cross-linked polyoxyethylene methyl polysiloxane, branched polyglycerin-modified silicone, cross-linked polyglycerin-modified silicone, alkyl group-containing cross-linked polyglycerin-modified silicone, alkyl group branched Li glycerin-modified silicone, and the like.
- Examples of the poly (oxyethylene / oxypropylene) methylpolysiloxane copolymer include PEG / PPG-20 / 22 butyl ether dimethicone (“KF-6012”; manufactured by Shin-Etsu Chemical Co., Ltd.), PEG / PPG-20 / 20 dimethicone ("BY22-008M”; manufactured by Toray Dow Corning Silicone), lauryl PEG / PPG-18 methicone ("5200FormulationAid”; manufactured by Toray Dow Corning), PEG / PPG-19 / 19 Dimethicone (“5330Fluid”; manufactured by Toray Dow Corning), PEG / PPG-15 / 15 Dimethicone (“5330Fluid”; manufactured by Toray Dow Corning) are included.
- PEG / PPG-20 / 22 butyl ether dimethicone (“KF-6012”; manufactured by Shin-Etsu Chemical Co., Ltd.)
- Examples of the polyoxyethylene methylpolysiloxane copolymer include PEG-11 methyl ether dimethicone (“KF-6011” manufactured by Shin-Etsu Chemical Co., Ltd.), PEG-9 dimethicone (“KF-6013”; Shin-Etsu Chemical Co., Ltd.).
- silicone chain branched methylpolysiloxane copolymer examples include PEG-9 polydimethylsiloxyethyl dimethicone (“KF-6028”; manufactured by Shin-Etsu Chemical Co., Ltd.).
- alkyl chain branched polyoxyethylene methyl polysiloxane copolymer examples include PEG / PPG-10 / 3 oleyl ether dimethicone (“KF-6026”; manufactured by Shin-Etsu Chemical Co., Ltd.).
- alkyl chain / silicone chain branched polyoxyethylene methyl polysiloxane copolymer examples include lauryl PEG-9 polydimethylsiloxyethyl dimethicone (“KF-6038”; manufactured by Shin-Etsu Chemical Co., Ltd.).
- crosslinked polyoxyethylenemethylpolysiloxane examples include dimethicone (dimethicone / (PEG-10 / 15)) crosspolymer (“KSG-210”; manufactured by Shin-Etsu Chemical Co., Ltd.), cyclomethicone / PEG-12 dimethicone. Dimethicone cloth polymer (“9011 Silicone elastomer blend”; manufactured by Toray Dow Corning Silicone Co., Ltd.) and the like.
- alkyl group-containing crosslinked polyoxyethylene methylpolysiloxane examples include mineral oil and PEG-15 lauryl dimethicone cross polymer (“KSG-310” manufactured by Shin-Etsu Chemical Co., Ltd.), isododecane and PEG-15 lauryl dimethicone cloth.
- KSG-320 manufactured by Shin-Etsu Chemical Co., Ltd.
- trioctanoin / PEG-15 lauryl dimethicone crosspolymer (“KSG-330”; manufactured by Shin-Etsu Chemical Co., Ltd.)
- Squalane / PEG-15 lauryl Examples include dimethicone cross polymer and PEG-10 lauryl dimethicone cross polymer (“KSG-340”; manufactured by Shin-Etsu Chemical Co., Ltd.).
- branched polyglycerin-modified silicone examples include polyglyceryl-3 disiloxane dimethicone (“KF-6100”; manufactured by Shin-Etsu Chemical Co., Ltd.), polyglyceryl-3 polydimethylsiloxyethyl dimethicone (“KF-6104”; Shin-Etsu Chemical). Kogyo Co., Ltd.).
- cross-linked polyglycerin-modified silicone examples include dimethicone / (dimethicone / polyglycerin-3) crosspolymer (“KSG-710”; manufactured by Shin-Etsu Chemical Co., Ltd.).
- alkyl group-containing crosslinked polyglycerin-modified silicone examples include mineral oil (lauryl dimethicone / polyglycerin 3) crosspolymer (“KSG-810”; manufactured by Shin-Etsu Chemical Co., Ltd.), isododecane (lauryl dimethicone / polyglycerin 3).
- Crosspolymer (“KSG-820; manufactured by Shin-Etsu Chemical Co., Ltd.”), trioctanoin (lauryl dimethicone / polyglycerin 3) crosspolymer (“KSG-830”; manufactured by Shin-Etsu Chemical Co., Ltd.), squalane -(Lauryl dimethicone / polyglycerin 3) crosspolymer (“KSG-840"; manufactured by Shin-Etsu Chemical Co., Ltd.)
- alkyl group-branched polyglycerin-modified silicone examples include lauryl polyglyceryl-3 polydimethylsiloxyethyl dimethicone (“KF-6105”; manufactured by Shin-Etsu Chemical Co., Ltd.).
- polyoxyethylene methyl polysiloxane copolymer poly (oxyethylene oxypropylene) methyl polysiloxane copolymer, silicone chain branched methyl polysiloxane copolymer, alkyl chain branched polyoxyethylene methyl polysiloxane copolymer A coalescence or the like is preferably used. More preferably, an alkyl chain / silicone chain branched polyoxyethylene methyl polysiloxane copolymer is used.
- the blending amount of the surfactant is appropriately determined, but is preferably 0.5 to 4% by mass with respect to the total amount of the water-in-oil type emulsion sunscreen cosmetic.
- blended with the water-in-oil type emulsion sunscreen cosmetics of this invention is not specifically limited.
- Liquid oils and fats Solid fats such as cocoa butter, palm oil, horse fat, hydrogenated palm oil, palm oil, beef tallow, sheep fat, hydrogenated beef tallow, palm kernel oil, pork tallow, owl kernel oil, hydrogenated oil, molasses, hydrogenated castor oil; Beeswax, candelilla wax, carnauba wax, lanolin, lanolin acetate, liquid lanolin, sugar cane wax, lanolin fatty acid isopropyl, hexyl laurate, reduced lanolin, jojoba wax, hard lanolin, polyoxyethylene (hereinafter referred to as POE) lanolin alcohol ether, POE Waxes such as lanolin alcohol acetate, lanolin fatty acid polyethylene glycol, POE hydrogenated lanolin alcohol ether; Hydrocarbons such as liquid paraffin, ozokerite, squalene, paraffin, ceresin, squalane, petrolatum, microcrystalline wax; Isopropy
- the blending amount of the oil is appropriately determined depending on the type of the product such as the emulsion or cream of the water-in-oil emulsified sunscreen cosmetic, but preferably 15 to 45 with respect to the total amount of the water-in-oil emulsified sunscreen cosmetic. % By mass.
- water As the water, ion-exchanged water or purified water is preferably used.
- the amount of water is appropriately determined, but is preferably 5 to 30% by mass with respect to the total amount of the water-in-oil type emulsion sunscreen cosmetic.
- the water-in-oil type emulsion sunscreen cosmetics of the present invention are usually used in cosmetics, such as humectants, thickeners, alcohols, chelating agents, antioxidants (antioxidants).
- cosmetics such as humectants, thickeners, alcohols, chelating agents, antioxidants (antioxidants).
- Fragrances, various medicinal ingredients, preservatives, neutralizers, pH adjusters and the like can be appropriately blended as necessary, and can be produced by conventional methods.
- 1,3, butylene glycol blended in an amount of 3 to 10% by mass based on the total amount of the water-in-oil emulsified sunscreen cosmetic is very preferable because the stability and antiseptic properties of the product can be maintained without increasing eye irritation. .
- the compounding quantity in an Example is the mass% with respect to the total amount of water-in-oil type emulsion sunscreen cosmetics.
- a water-in-oil emulsified sunscreen cosmetic with the formulation shown in “Table 1” was prepared by a conventional method, and the following evaluation tests were conducted by 30 women-specialized panels.
- the examples of the present invention are excellent in the makeup effect (the power to cover spots and freckles, the uniformity of the finish, the naturalness of the finish), and the case where it enters the eyes. It turns out that the outstanding effect that there is no irritation
- the ultraviolet absorption effect (absorbance) in the UVA and UVB regions of 280 to 400 nm was measured for the above examples and comparative examples.
- 50 ⁇ g of each sample of the above Examples and Comparative Examples was uniformly applied to the surface of a PMMA film (5 cm ⁇ 5 cm) at a rate of 2.0 mg / cm 2 .
- the sample was left for 15 minutes and measured with a spectrophotometer (U-4100: manufactured by Hitachi, Ltd.). The result is shown in FIG.
- Examples 1 and 2 of the present invention are superior to the Comparative Examples 1 to 3 in the ultraviolet absorption effect in the UVA and UVB regions.
- the present invention is a sunscreen cosmetic to be applied to the face including the periphery of the eye, which is less irritating to the eyes, has a high UVB and UVA protection effect, and has an excellent makeup effect. Can provide cosmetics.
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Abstract
Description
したがって、オクチルメトキシシンナメートやオクトクリレンやアボベンゾンを配合する日焼け止め化粧料は、顔に塗るサンスクリーンとして不適切であるものの、顔に対する日焼け止めの観点からは、UVA及びUVBの紫外線から十分に顔の皮膚を防御する日焼け止め化粧料の開発が期待されている。
(a)平均粒子径が30~80nmである疎水化処理されたルチル型結晶酸化チタンを5~15質量%
(b)酸化鉄を0.1~10質量%
(c)平均粒子径が20~80nmである疎水化処理された酸化亜鉛を5~15質量%
(d)平均粒子径が180nm以上の白色顔料用酸化チタンを0~1.0質量%
(1)オクチルメトキシシンナメートやオクトクリレンやアボベンゾンを配合しなくても十分に高いUVA及びUVBの紫外線防止効果を発揮する。
(2)目に対する刺激が少ない。したがって、本発明の日焼け止め化粧料は目のまわりを含む顔面に好ましく使用出来る。
(3)優れたメーキャップ効果を有する。
本発明においては、成分(a)として平均粒子径が30~80nmである疎水化処理されたルチル型結晶酸化チタンを用いる。
本発明において、平均粒子径は、透過電子顕微鏡写真の画像解析による個数平均径(任意の50個の粒子の平均)等の常法によって測定される。
本発明に用いるルチル型結晶酸化チタンの結晶は紡錘状ではなく、球に近い塊状であることが好ましい。
本発明に用いるルチル型結晶酸化チタンの表面は疎水化処理される。疎水化処理は特に制限はないが公知の方法にて処理される。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シラン等を用いたフッ素処理等が挙げられる。
本発明においては特にステアリン酸アルミニウムまたはオクチルトリエトキシシランを用いる疎水化処理が好ましい。
本発明において、疎水化処理されたルチル型結晶酸化チタンは油中水型乳化日焼け止め化粧料の外相の油相に含有される。
本発明においては、成分(b)として酸化鉄の粉末を用いる。酸化鉄の種類(ベンガラ、酸化鉄黄、酸化鉄黒等)及びその平均粒子径は特に限定されない。本発明において、酸化鉄は油中水型乳化日焼け止め化粧料の外相の油相に含有される。
本発明においては、成分(c)として平均粒子径が20~80nmである疎水化処理された酸化亜鉛を用いる。
平均粒子径は、透過電子顕微鏡写真の画像解析による個数平均径(任意の50個の粒子の平均)等の常法によって測定される。
本発明において、疎水化処理された酸化亜鉛は油中水型乳化日焼け止め化粧料の外相の油相に含有される。
本発明において疎水化処理された酸化亜鉛は油中水型乳化日焼け止め化粧料の外相の油相に含有される。
また、前述の疎水化処理されたルチル型結晶酸化チタンとの合計配合量も紫外線防御効果と使用感に影響を及ぼす。
成分(a)疎水化処理されたルチル型結晶酸化チタンと成分(c)疎水化処理された酸化亜鉛との合計配合量は、油中水型乳化日焼け止め化粧料全量に対して10~40質量%が好ましく、さらに好ましくは16~25%である。
本発明においては、成分(d)として平均粒子径が180nm以上の白色顔料用酸化チタンを用いる。
平均粒子径は、透過電子顕微鏡写真の画像解析による個数平均径(任意の50個の粒子の平均)等の常法によって測定される。
本発明において、白色顔料用酸化チタンは油中水型乳化日焼け止め化粧料の外相の油相に含有される。
すなわち、本発明の油中水型乳化日焼け止め化粧料においては、平均粒子径が180nm以上の白色顔料用酸化チタンは配合されないか、また、配合される場合であっても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1.0質量%以下である。
通常の日焼け止め化粧料においては、UVA及びUVBの紫外線を防御するために紫外線吸収剤のオクチルメトキシシンナメート及びオクトクリレン及びアボベンゾンを配合するが、本発明においては紫外線吸収剤のオクチルメトキシシンナメート及びオクトクリレン及びアボベンゾンを配合しないことを特徴とする。
本発明においては、これらの紫外線吸収剤を含まずとも、優れたUVA及びUVBの紫外線防御効果を発揮するととともに、目に対する刺激を少なくすることが出来る。
本発明の油中水型乳化日焼け止め化粧料に用いる界面活性剤は特に限定されないが、好ましくはシリコーン系界面活性剤を配合するのが好ましい。
シリコーン系界面活性剤としては、油中水型乳化タイプの系に用いられ得るものであれば特に限定されるものでなく、例えば、ポリ(オキシエチレン・オキシプロピレン)メチルポリシロキサン共重合体、ポリオキシエチレンメチルポリシロキサン共重合体、シリコーン鎖分岐型メチルポリシロキサン共重合体、アルキル鎖分岐型ポリオキシエチレンメチルポリシロキサン共重合体、アルキル鎖・シリコーン鎖分岐型ポリオキシエチレンメチルポリシロキサン共重合体、架橋型ポリオキシエチレンメチルポリシロキサン、アルキル基含有架橋型ポリオキシエチレンメチルポリシロキサン、分岐型ポリグリセリン変性シリコーン、架橋型ポリグリセリン変性シリコーン、アルキル基含有架橋型ポリグリセリン変性シリコーン、アルキル基分岐型ポリグリセリン変性シリコーン等が挙げられる。
更に好ましくは、アルキル鎖・シリコーン鎖分岐型ポリオキシエチレンメチルポリシロキサン共重合体が用いられる。
本発明の油中水型乳化日焼け止め化粧料に配合する油分は特に限定されない。例えば、アボカド油、ツバキ油、タートル油、マカデミアナッツ油、トウモロコシ油、ミンク油、オリーブ油、ナタネ油、卵黄油、ゴマ油、パーシック油、小麦胚芽油、サザンカ油、ヒマシ油、アマニ油、サフラワー油、綿実油、月見草油、エノ油、大豆油、落花生油、茶実油、カヤ油、コメヌカ油、シナギリ油、日本キリ油、ホホバ油、胚芽油、トリグリセリン、トリオクタン酸グリセリン、トリイソパルミチン酸グリセリン等の液体油脂;
カカオ脂、ヤシ油、馬脂、硬化ヤシ油、パーム油、牛脂、羊脂、硬化牛脂、パーム核油、豚脂、モクロウ核油、硬化油、モクロウ、硬化ヒマシ油等の固型油脂;
ミツロウ、キャンデリラロウ、カルナバロウ、ラノリン、酢酸ラノリン、液状ラノリン、サトウキビロウ、ラノリン脂肪酸イソプロピル、ラウリン酸ヘキシル、還元ラノリン、ホホバロウ、硬質ラノリン、ポリオキシエチレン(以下、POEという。)ラノリンアルコールエーテル、POEラノリンアルコールアセテート、ラノリン脂肪酸ポリエチレングリコール、POE水素添加ラノリンアルコールエーテル等のロウ類;
流動パラフィン、オゾケライト、スクワレン、パラフィン、セレシン、スクワラン、ワセリン、マイクロクリスタリンワックス等の炭化水素;
ミリスチン酸イソプロピル、オクタン酸セチル、ミリスチン酸オクチルドデシル、パルミチン酸イソプロピル、ステアリン酸ブチル、ラウリン酸ヘキシル、ミリスチン酸ミリスチル、オレイン酸デシル、ジメチルオクタン酸ヘキシルデシル、乳酸セチル、乳酸ミリスチル、酢酸ラノリン、ステアリン酸イソセチル、イソステアレン酸イソセチル、12-ヒドロキシステアリル酸コレステリル、ジ2-エチルヘキシル酸エチレングリコール、ジペンタエリスリトール脂肪酸エステル、モノイソステアリン酸N-アルキルグリコール、ジカプリン酸ネオペンチルグリコール、リンゴ酸ジイソステアリル、ジ2-ヘプチルウンデカン酸グリセリン、トリ2-エチルヘキシル酸トリメチロールプロパン、トリイソステアリン酸トリメチロールプロパン、テトラ2-エチルヘキシル酸ペンタエリスリトール、トリ2-エチルヘキシル酸グリセリン、トリイソステアリン酸トリメチロールプロパン、セチル-2-エチルヘキサノエート、2-エチルヘキシルパルミテート、トリミリスチン酸グリセリン、トリ2-ヘプチルウンデカン酸グリセライド、ヒマシ油脂肪酸メチルエステル、オレイン酸オイル、アセトグリセライド、パルミチン酸-2-ヘプチルウンデシル、アジピン酸ジイソプロピル、N-ラウロイル-L-グルタミン酸-2-オクチルドデシルエステル、アジピン酸ジ2-ヘプチルウンデシル、セバシン酸ジ2-エチルヘキシル、ミリスチン酸-2-ヘキシルデシル、パルミチン酸-2-ヘキシルデシル、アジピン酸-2-ヘキシルデシル、セバシン酸ジイソプロピル、コハク酸-2-エチルヘキシル等のエステル油;
ラウリン酸、ミリスチン酸、パルミチン酸、ステアリン酸、ベヘン酸、オレイン酸、12-ヒドロキシステアリン酸、ウンデシレン酸、ラノリン脂肪酸、イソステアリン酸、リノール酸、リノレイン酸、エイコサペンタエン酸等の高級脂肪酸;
ラウリルアルコール、セチルアルコール、ステアリルアルコール、ベヘニルアルコール、ミリスチルアルコール、オレイルアルコール、セトステアリルアルコール、モノステアリルグリセリンエーテル(バチルアルコール)、2-デシルテトラデシノール、ラノリンアルコール、コレステロール、フィトステロール、ヘキシルドデカノール、イソステアリルアルコール、オクチルドデカノール等の直鎖若しくは分岐高級アルコール;
ジメチルポリシロキサン、メチルフェニルポリシロキサン等のシリコーン油;
パーフルオロヘキサン、トリパーフルオロ-n-ブチルアミン等のパーフルオロカーボンないしパーフルオロポリエーテル等を挙げることができる。
本発明に特に好ましい油分としては、シリコーン油が挙げられる。
水はイオン交換水や精製水が好ましく使用される。
水の配合量は適宜決定されるが、好ましくは、油中水型乳化日焼け止め化粧料全量に対して5~30質量%である。
特に1,3、ブチレングリコールを油中水型乳化日焼け止め化粧料全量に対して3~10質量%配合すると、目に対する刺激を増やすことなく製品の安定性と防腐性を維持できることから、大変好ましい。
「シミやソバカスのカバー力」
+2:25名以上がカバー力があると評価した。
+1:18~24名がカバー力があると評価した。
0:12~17名がカバー力があると評価した。
-1:6~11名がカバー力があると評価した。
-2:カバー力があると評価したパネルが5名以下。
「仕上がりの均一さ」
+2:25名以上が均一であると評価した。
+1:18~24名が均一であると評価した。
0:12~17名が均一であると評価した。
-1:6~11名が均一であると評価した。
-2:均一であると評価したパネルが5名以下。
+2:25名以上が自然であると評価した。
+1:18~24名が自然であると評価した。
0:12~17名が自然であると評価した。
-1:6~11名が自然であると評価した。
-2:自然であると評価したパネルが5名以下。
「表1」に示す実施例及び比較例の油中水型乳化日焼け止め化粧料を意図的に目尻に塗布し、15分後に下記の基準で評価した。
あり:女性パネル30名中1名以上が目の刺激があると回答した。
なし:女性パネル30名全員が目の刺激がないと回答した。
測定方法は、上記の実施例及び比較例の各サンプル50μgをPMMA製の膜(5cm×5cm)の表面に2.0mg/cm2の割合で均一に塗布した。15分放置して、分光光度計(U-4100:日立製作所製)により測定した。
その結果を図1に示す。図1から分かるように、本発明の実施例1及び実施例2は、比較例1~3に比べてUVA及びUVB領域の紫外線吸収効果に優れていることが分かる。
Claims (3)
- 下記の成分(a)、(b)、(c)及び(d)を外相に含むことを特徴とし、オクチルメトキシシンナメート及びオクトクリレン及びアボベンゾンを含まないことを特徴とする油中水型乳化日焼け止め化粧料。
(a)平均粒子径が30~80nmである疎水化処理されたルチル型結晶酸化チタンを5~15質量%
(b)酸化鉄を0.1~10質量%
(c)平均粒子径が20~80nmである疎水化処理された酸化亜鉛を5~15質量%
(d)平均粒子径が180nm以上の白色顔料用酸化チタンを0~1.0質量% - 前記成分(a)の結晶が紡錘状ではなく、球に近い塊状であることを特徴とする請求項1記載の油中水型乳化日焼け止め化粧料。
- 前記成分(a)及び(c)の合計配合量が16~25質量%であることを特徴とする請求項1又は2記載の油中水型乳化日焼け止め化粧料。
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BR112016008073A BR112016008073A8 (pt) | 2013-12-26 | 2014-12-02 | cosmético de proteção solar em emulsão de óleo-em-água |
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EP2147759B1 (de) * | 2008-07-24 | 2013-10-30 | Müller Martini Holding AG | Verfahren und Vorrichtung für den Beschnitt wenigstens einer Seitenkante gebundener Druckerzeugnisse |
US20100183689A1 (en) * | 2008-09-05 | 2010-07-22 | Sukgyung AT Co., Ltd. | Making Method for Titania Nanoparticle |
JP4560122B2 (ja) * | 2008-12-18 | 2010-10-13 | 株式会社資生堂 | 酸化チタン分散体およびそれを配合した化粧料 |
JP4881961B2 (ja) * | 2009-01-08 | 2012-02-22 | 株式会社トキワ | 油中水型日焼け止め化粧料 |
US20120134937A1 (en) * | 2009-01-30 | 2012-05-31 | Laurence Halimi | Personal care compositions having reduced eye irritation |
US20100202985A1 (en) * | 2009-02-11 | 2010-08-12 | Amcol International Corporation | Sunscreen compositions including particulate sunscreen actives that exhibit boosting of sun protection factor |
JP2010222349A (ja) * | 2009-02-27 | 2010-10-07 | Shiseido Co Ltd | 日焼け止め化粧料 |
US8475774B2 (en) * | 2010-02-08 | 2013-07-02 | Johnson & Johnson Consumer Companies, Inc. | Sunscreen compositions comprising an ultraviolet radiation-absorbing polymer |
-
2013
- 2013-12-26 JP JP2013269122A patent/JP5813745B2/ja active Active
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2014
- 2014-12-02 RU RU2016125830A patent/RU2624507C1/ru not_active IP Right Cessation
- 2014-12-02 KR KR1020167000005A patent/KR101595215B1/ko active IP Right Grant
- 2014-12-02 EP EP14874017.8A patent/EP3087970B1/en active Active
- 2014-12-02 BR BR112016008073A patent/BR112016008073A8/pt not_active Application Discontinuation
- 2014-12-02 US US15/021,729 patent/US20160220457A1/en not_active Abandoned
- 2014-12-02 ES ES14874017.8T patent/ES2675011T3/es active Active
- 2014-12-02 WO PCT/JP2014/081812 patent/WO2015098433A1/ja active Application Filing
- 2014-12-02 CN CN201480064359.3A patent/CN105764477B/zh active Active
- 2014-12-04 TW TW103142132A patent/TWI631960B/zh active
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2016
- 2016-08-19 HK HK16109942.2A patent/HK1221664A1/zh unknown
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TAKEO MITSUI: "Shin-Keshohin-Gaku", 2001, NANZANDO, pages: 478 |
Also Published As
Publication number | Publication date |
---|---|
TWI631960B (zh) | 2018-08-11 |
KR20160010885A (ko) | 2016-01-28 |
CN105764477A (zh) | 2016-07-13 |
TW201534332A (zh) | 2015-09-16 |
JP2015124172A (ja) | 2015-07-06 |
KR101595215B1 (ko) | 2016-02-17 |
EP3087970A4 (en) | 2017-07-05 |
EP3087970B1 (en) | 2018-05-23 |
US20160220457A1 (en) | 2016-08-04 |
ES2675011T3 (es) | 2018-07-05 |
JP5813745B2 (ja) | 2015-11-17 |
WO2015098433A8 (ja) | 2016-03-24 |
HK1221664A1 (zh) | 2017-06-09 |
RU2624507C1 (ru) | 2017-07-04 |
CN105764477B (zh) | 2017-08-22 |
EP3087970A1 (en) | 2016-11-02 |
BR112016008073A8 (pt) | 2020-03-17 |
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