JP7421290B2 - aerosol composition - Google Patents
aerosol composition Download PDFInfo
- Publication number
- JP7421290B2 JP7421290B2 JP2019164721A JP2019164721A JP7421290B2 JP 7421290 B2 JP7421290 B2 JP 7421290B2 JP 2019164721 A JP2019164721 A JP 2019164721A JP 2019164721 A JP2019164721 A JP 2019164721A JP 7421290 B2 JP7421290 B2 JP 7421290B2
- Authority
- JP
- Japan
- Prior art keywords
- mass
- content
- aerosol composition
- powder
- stock solution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000203 mixture Substances 0.000 title claims description 88
- 239000000443 aerosol Substances 0.000 title claims description 84
- 239000000843 powder Substances 0.000 claims description 86
- 239000011550 stock solution Substances 0.000 claims description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- 239000003795 chemical substances by application Substances 0.000 claims description 36
- 239000000049 pigment Substances 0.000 claims description 31
- 239000003921 oil Substances 0.000 claims description 24
- 239000003995 emulsifying agent Substances 0.000 claims description 18
- 239000002904 solvent Substances 0.000 claims description 13
- 229940008099 dimethicone Drugs 0.000 claims description 11
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 11
- 235000013870 dimethyl polysiloxane Nutrition 0.000 claims description 11
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 11
- 229920001577 copolymer Polymers 0.000 claims description 8
- 239000006185 dispersion Substances 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 229920006037 cross link polymer Polymers 0.000 claims description 7
- 229920001296 polysiloxane Polymers 0.000 claims description 6
- 239000010696 ester oil Substances 0.000 claims description 5
- 229920002545 silicone oil Polymers 0.000 claims description 5
- 239000004094 surface-active agent Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 4
- 239000000243 solution Substances 0.000 claims description 4
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 3
- 229920002554 vinyl polymer Polymers 0.000 claims description 3
- YWDYRRUFQXZJBG-UHFFFAOYSA-N butyl prop-2-enoate;2-methylprop-2-enoic acid Chemical compound CC(=C)C(O)=O.CCCCOC(=O)C=C YWDYRRUFQXZJBG-UHFFFAOYSA-N 0.000 claims description 2
- 229920003145 methacrylic acid copolymer Polymers 0.000 claims description 2
- 229940117841 methacrylic acid copolymer Drugs 0.000 claims description 2
- 229920001485 poly(butyl acrylate) polymer Polymers 0.000 claims description 2
- VKIXWDIYJXKAMP-UHFFFAOYSA-N acetic acid;octyl prop-2-enoate Chemical compound CC(O)=O.CCCCCCCCOC(=O)C=C VKIXWDIYJXKAMP-UHFFFAOYSA-N 0.000 claims 1
- 229920006163 vinyl copolymer Polymers 0.000 claims 1
- 239000007789 gas Substances 0.000 description 19
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 16
- -1 polyoxyethylene Polymers 0.000 description 15
- 230000000694 effects Effects 0.000 description 12
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- 230000006750 UV protection Effects 0.000 description 8
- 230000036074 healthy skin Effects 0.000 description 8
- 239000010408 film Substances 0.000 description 7
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 235000014113 dietary fatty acids Nutrition 0.000 description 6
- 239000000194 fatty acid Substances 0.000 description 6
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- 239000002537 cosmetic Substances 0.000 description 4
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- 229940058015 1,3-butylene glycol Drugs 0.000 description 3
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- POJOORKDYOPQLS-UHFFFAOYSA-L barium(2+) 5-chloro-2-[(2-hydroxynaphthalen-1-yl)diazenyl]-4-methylbenzenesulfonate Chemical compound [Ba+2].C1=C(Cl)C(C)=CC(N=NC=2C3=CC=CC=C3C=CC=2O)=C1S([O-])(=O)=O.C1=C(Cl)C(C)=CC(N=NC=2C3=CC=CC=C3C=CC=2O)=C1S([O-])(=O)=O POJOORKDYOPQLS-UHFFFAOYSA-L 0.000 description 3
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- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 241000207199 Citrus Species 0.000 description 2
- XMSXQFUHVRWGNA-UHFFFAOYSA-N Decamethylcyclopentasiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 XMSXQFUHVRWGNA-UHFFFAOYSA-N 0.000 description 2
- 229920002307 Dextran Polymers 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
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- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- VYGQUTWHTHXGQB-FFHKNEKCSA-N Retinol Palmitate Chemical compound CCCCCCCCCCCCCCCC(=O)OC\C=C(/C)\C=C\C=C(/C)\C=C\C1=C(C)CCCC1(C)C VYGQUTWHTHXGQB-FFHKNEKCSA-N 0.000 description 2
- AUNGANRZJHBGPY-SCRDCRAPSA-N Riboflavin Chemical compound OC[C@@H](O)[C@@H](O)[C@@H](O)CN1C=2C=C(C)C(C)=CC=2N=C2C1=NC(=O)NC2=O AUNGANRZJHBGPY-SCRDCRAPSA-N 0.000 description 2
- 241000220317 Rosa Species 0.000 description 2
- 206010042496 Sunburn Diseases 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- FPIPGXGPPPQFEQ-OVSJKPMPSA-N all-trans-retinol Chemical compound OC\C=C(/C)\C=C\C=C(/C)\C=C\C1=C(C)CCCC1(C)C FPIPGXGPPPQFEQ-OVSJKPMPSA-N 0.000 description 2
- CYHOWEBNQPOWEI-UHFFFAOYSA-L calcium 3-carboxy-1-phenyldiazenylnaphthalen-2-olate Chemical compound OC=1C(=CC2=CC=CC=C2C1N=NC1=CC=CC=C1)C(=O)[O-].OC=1C(=CC2=CC=CC=C2C1N=NC1=CC=CC=C1)C(=O)[O-].[Ca+2] CYHOWEBNQPOWEI-UHFFFAOYSA-L 0.000 description 2
- 235000020971 citrus fruits Nutrition 0.000 description 2
- GVJHHUAWPYXKBD-UHFFFAOYSA-N d-alpha-tocopherol Natural products OC1=C(C)C(C)=C2OC(CCCC(C)CCCC(C)CCCC(C)C)(C)CCC2=C1C GVJHHUAWPYXKBD-UHFFFAOYSA-N 0.000 description 2
- 229940105990 diglycerin Drugs 0.000 description 2
- GPLRAVKSCUXZTP-UHFFFAOYSA-N diglycerol Chemical compound OCC(O)COCC(O)CO GPLRAVKSCUXZTP-UHFFFAOYSA-N 0.000 description 2
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 2
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- FPAYXBWMYIMERV-UHFFFAOYSA-L disodium;5-methyl-2-[[4-(4-methyl-2-sulfonatoanilino)-9,10-dioxoanthracen-1-yl]amino]benzenesulfonate Chemical compound [Na+].[Na+].[O-]S(=O)(=O)C1=CC(C)=CC=C1NC(C=1C(=O)C2=CC=CC=C2C(=O)C=11)=CC=C1NC1=CC=C(C)C=C1S([O-])(=O)=O FPAYXBWMYIMERV-UHFFFAOYSA-L 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- GJQLBGWSDGMZKM-UHFFFAOYSA-N ethylhexyl palmitate Chemical compound CCCCCCCCCCCCCCCC(=O)OC(CC)CCCCC GJQLBGWSDGMZKM-UHFFFAOYSA-N 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
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- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 2
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- CTIQLGJVGNGFEW-UHFFFAOYSA-L naphthol yellow S Chemical compound [Na+].[Na+].C1=C(S([O-])(=O)=O)C=C2C([O-])=C([N+]([O-])=O)C=C([N+]([O-])=O)C2=C1 CTIQLGJVGNGFEW-UHFFFAOYSA-L 0.000 description 2
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- DEQUKPCANKRTPZ-UHFFFAOYSA-N (2,3-dihydroxyphenyl)-phenylmethanone Chemical compound OC1=CC=CC(C(=O)C=2C=CC=CC=2)=C1O DEQUKPCANKRTPZ-UHFFFAOYSA-N 0.000 description 1
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- 229960000984 tocofersolan Drugs 0.000 description 1
- 235000010384 tocopherol Nutrition 0.000 description 1
- 229960001295 tocopherol Drugs 0.000 description 1
- 239000011732 tocopherol Substances 0.000 description 1
- 229930003799 tocopherol Natural products 0.000 description 1
- 229940042585 tocopherol acetate Drugs 0.000 description 1
- 229950009883 tocopheryl nicotinate Drugs 0.000 description 1
- UJMBCXLDXJUMFB-UHFFFAOYSA-K trisodium;5-oxo-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)diazenyl]-4h-pyrazole-3-carboxylate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)C1=NN(C=2C=CC(=CC=2)S([O-])(=O)=O)C(=O)C1N=NC1=CC=C(S([O-])(=O)=O)C=C1 UJMBCXLDXJUMFB-UHFFFAOYSA-K 0.000 description 1
- SWGJCIMEBVHMTA-UHFFFAOYSA-K trisodium;6-oxido-4-sulfo-5-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-2-sulfonate Chemical compound [Na+].[Na+].[Na+].C1=CC=C2C(N=NC3=C4C(=CC(=CC4=CC=C3O)S([O-])(=O)=O)S([O-])(=O)=O)=CC=C(S([O-])(=O)=O)C2=C1 SWGJCIMEBVHMTA-UHFFFAOYSA-K 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- CPYIZQLXMGRKSW-UHFFFAOYSA-N zinc;iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Fe+3].[Fe+3].[Zn+2] CPYIZQLXMGRKSW-UHFFFAOYSA-N 0.000 description 1
Description
本発明は、エアゾール組成物に関する。より詳細には、本発明は、噴射されると腕や身体に適した範囲に拡がりやすく、均等に付着して紫外線から皮膚を防御することができ、かつ、健康的な肌色を付与することのできるエアゾール組成物に関する。 The present invention relates to aerosol compositions. More specifically, the present invention is capable of easily spreading to an appropriate area on the arms and body when sprayed, and being able to adhere evenly to protect the skin from ultraviolet rays, as well as imparting a healthy complexion. The present invention relates to an aerosol composition that can be made.
従来、紫外線から皮膚を防御するための紫外線防御剤を含むエアゾール型化粧料が開発されている（特許文献１）。特許文献１には、ジメチコンクロスポリマーとシリコーンエラストマー型界面活性剤とを含む非水系外用組成物と噴射剤とを含むエアゾール型化粧料が開示されている。特許文献１に記載のエアゾール型化粧料は、紫外線防御剤を含んでもよい。 BACKGROUND ART Conventionally, aerosol type cosmetics containing an ultraviolet protective agent for protecting the skin from ultraviolet rays have been developed (Patent Document 1). Patent Document 1 discloses an aerosol type cosmetic containing a nonaqueous external composition containing a dimethicone crosspolymer and a silicone elastomer type surfactant, and a propellant. The aerosol type cosmetic described in Patent Document 1 may contain an ultraviolet protection agent.
特許文献１に記載のエアゾール型化粧料は、紫外線散乱剤などの紫外線防御剤を含んでもよい。ところで、酸化チタンなどの紫外線散乱剤は、白色粉体である。これら白色粉体を多く含む場合、肌の色が白くなりやすく、健康的な肌色に見えにくい。一方、白色粉体の含有量を少なくすると、充分な紫外線防御効果が得られない。 The aerosol type cosmetic described in Patent Document 1 may contain an ultraviolet protection agent such as an ultraviolet scattering agent. By the way, ultraviolet scattering agents such as titanium oxide are white powders. If the skin contains a large amount of these white powders, the skin color tends to become white, making it difficult to see a healthy skin color. On the other hand, if the content of white powder is reduced, a sufficient ultraviolet protection effect cannot be obtained.
本発明は、このような従来の課題に鑑みてなされたものであり、噴射されると腕や身体に適した範囲に拡がりやすく、均等に付着して紫外線から皮膚を防御することができ、かつ、健康的な肌色を付与することのできるエアゾール組成物を提供することを目的とする。 The present invention was made in view of such conventional problems, and when sprayed, it easily spreads to an appropriate range on the arms and body, and can be applied evenly to protect the skin from ultraviolet rays. The present invention aims to provide an aerosol composition capable of imparting a healthy skin tone.
上記課題を解決する本発明には、以下の構成が主に含まれる。 The present invention for solving the above problems mainly includes the following configurations.
（１）粉体、乳化剤、被膜形成剤、油剤および水を含む原液と、液化ガスとを含み、前記粉体は、白色粉体と有色顔料とを含み、前記粉体の含有量は、原液中、１０～４０質量％である、エアゾール組成物。 (1) Contains a powder, an emulsifier, a film-forming agent, an oil solution, and a liquefied gas, and the powder includes a white powder and a colored pigment, and the content of the powder is equal to In an aerosol composition, the content is 10 to 40% by mass.
このような構成によれば、粉体は、白色粉体を含んでいることにより、紫外線散乱効果を示し、紫外線から皮膚を防御し得る。また、粉体は、有色顔料を含んでおり、エアゾール組成物中で白色粉体と有色顔料は優れた分散性および再分散性等を示し、均一な組成で噴霧されやすい。そのため、皮膚に均等に付着しやすく、色ムラなく健康的な肌色を付与することができる。さらに、エアゾール組成物は、被膜形成剤を含んでいることにより、皮膚上において、水や汗により粉体が流されにくく、長時間にわたって優れた紫外線防御効果および健康的な肌色に見せる効果を持続しやすい。 According to such a configuration, the powder contains a white powder, exhibits an ultraviolet scattering effect, and can protect the skin from ultraviolet rays. Further, the powder contains a colored pigment, and the white powder and the colored pigment exhibit excellent dispersibility and redispersibility in the aerosol composition, and are easily sprayed with a uniform composition. Therefore, it is easy to adhere evenly to the skin, and it is possible to impart a healthy skin color without any uneven coloring. Furthermore, because the aerosol composition contains a film-forming agent, the powder is less likely to be washed away by water or sweat on the skin, providing excellent UV protection and maintaining a healthy complexion over a long period of time. It's easy to do.
（２）前記白色粉体は、親油性溶媒に分散している分散体である、（１）記載のエアゾール組成物。 (2) The aerosol composition according to (1), wherein the white powder is a dispersion dispersed in a lipophilic solvent.
このような構成によれば、エアゾール組成物は、容器内において白色粉体が優れた分散性および再分散性等を示し、均一な組成で噴霧されやすく、紫外線散乱効果が得られやすい。 According to such a configuration, in the aerosol composition, the white powder exhibits excellent dispersibility and redispersibility in the container, is easily sprayed with a uniform composition, and is easy to obtain an ultraviolet scattering effect.
（３）前記有色顔料は、親水性溶媒に分散している分散体である、（１）または（２）記載のエアゾール組成物。 (3) The aerosol composition according to (1) or (2), wherein the colored pigment is a dispersion dispersed in a hydrophilic solvent.
このような構成によれば、エアゾール組成物は、容器内において有色顔料が優れた分散性および再分散性等を示し、均一な組成で噴霧されやすく、色ムラなく健康的な肌色を付与しやすい。 According to such a configuration, the colored pigment in the aerosol composition exhibits excellent dispersibility and redispersibility within the container, is easily sprayed with a uniform composition, and is easy to impart a healthy skin tone without uneven coloring. .
（４）前記白色粉体と前記有色顔料との配合比率（質量比）は、２５：１～４：１である、（１）～（３）のいずれかに記載のエアゾール組成物。 (4) The aerosol composition according to any one of (1) to (3), wherein a blending ratio (mass ratio) of the white powder and the colored pigment is 25:1 to 4:1.
このような構成によれば、エアゾール組成物は、白色粉体によって優れた紫外線防御効果が得られつつ、皮膚に有色顔料による健康的な肌色を付与しやすい。 According to such a configuration, the aerosol composition provides an excellent ultraviolet protection effect due to the white powder, while easily imparting a healthy complexion to the skin due to the colored pigment.
（５）前記水の含有量は、原液中、５～６０質量％である、（１）～（４）のいずれかに記載のエアゾール組成物。 (5) The aerosol composition according to any one of (1) to (4), wherein the water content in the stock solution is 5 to 60% by mass.
このような構成によれば、エアゾール組成物は、粘度および粉体の沈降速度が調節されやすい。特に有色顔料を均等に分散させやすい。その結果、得られるエアゾール組成物は、噴霧時に噴霧通路等において詰まりを生じにくく、かつ、再分散性が優れる。 According to such a configuration, the viscosity and settling rate of the powder in the aerosol composition can be easily controlled. In particular, it is easy to disperse colored pigments evenly. As a result, the resulting aerosol composition is less likely to clog the spray passage during spraying, and has excellent redispersibility.
（６）前記液化ガスの含有量は、エアゾール組成物中、３０～８５質量％である、（１）～（４）のいずれかに記載のエアゾール組成物。 (6) The aerosol composition according to any one of (1) to (4), wherein the content of the liquefied gas is 30 to 85% by mass in the aerosol composition.
このような構成によれば、エアゾール組成物は、健康的な肌色に見せる効果を発揮しやすい。 According to such a configuration, the aerosol composition tends to exhibit the effect of giving a healthy skin tone.
本発明によれば、噴射されると腕や身体に適した範囲に拡がりやすく、均等に付着して紫外線から皮膚を防御することができ、かつ、健康的な肌色を付与することのできるエアゾール組成物を提供することができる。 According to the present invention, an aerosol composition that, when sprayed, easily spreads over a suitable area on the arms and body, can adhere evenly to protect the skin from ultraviolet rays, and can impart a healthy complexion. can provide things.
＜エアゾール組成物＞
本発明の一実施形態のエアゾール組成物は、粉体、乳化剤、被膜形成剤、油剤および水を含む原液と、液化ガスとを含む。粉体は、白色粉体と有色顔料とを含む。粉体の含有量は、原液中、１０～４０質量％である。このように、粉体は、白色粉体を含んでいることにより、紫外線散乱効果を示し、紫外線から皮膚を防御し得る。また、粉体は、有色顔料を含んでおり、エアゾール組成物中で白色粉体と有色顔料は優れた分散性および再分散性等を示し、均一な組成で噴霧されやすい。そのため、皮膚に均等に付着しやすく、色ムラなく健康的な肌色を付与することができる。さらに、エアゾール組成物は、被膜形成剤を含んでいることにより、皮膚上において、水や汗により粉体が流されにくく、長時間にわたって優れた紫外線防御効果および健康的な肌色に見せる効果を持続しやすい。以下、それぞれについて説明する。
<Aerosol composition>
An aerosol composition according to one embodiment of the present invention includes a stock solution containing powder, an emulsifier, a film forming agent, an oil agent, and water, and a liquefied gas. The powder includes white powder and colored pigment. The powder content is 10 to 40% by mass in the stock solution. In this way, the powder exhibits an ultraviolet scattering effect by containing white powder, and can protect the skin from ultraviolet rays. Further, the powder contains a colored pigment, and the white powder and the colored pigment exhibit excellent dispersibility and redispersibility in the aerosol composition, and are easily sprayed with a uniform composition. Therefore, it is easy to adhere evenly to the skin, and it is possible to impart a healthy skin color without uneven coloring. Furthermore, because the aerosol composition contains a film-forming agent, the powder is less likely to be washed away by water or sweat on the skin, providing excellent UV protection and maintaining a healthy complexion over a long period of time. It's easy to do. Each will be explained below.
（原液）
原液は、粉体、乳化剤、被膜形成剤、油剤および水を含む。
(undiluted solution)
The stock solution contains powder, emulsifier, film forming agent, oil and water.
・粉体
粉体は、白色粉体と有色顔料とを含む。白色粉体は、皮膚に付着して紫外線を散乱させ、日焼けしないように皮膚を防御するために配合される。一方、有色顔料は、使用者の肌色に影響されることなく、肌色として有色顔料の色を付与するために配合される。
- Powder The powder includes white powder and colored pigment. The white powder is blended to protect the skin from sunburn by adhering to the skin and scattering ultraviolet rays. On the other hand, colored pigments are blended to provide a skin color without being affected by the skin color of the user.
白色粉体は特に限定されない。一例を挙げると、白色粉体は、酸化亜鉛、酸化チタン、シリカ、酸化マグネシウム、炭酸カルシウム、無水ケイ酸、ケイ酸マグネシウム、ケイ酸アルミニウム等である。なお、白色粉体は、表面をハイドロジェンジメチコンなどのシリコーン、水酸化アルミニウム、含水シリカ、ステアリン酸などで処理したものが用いられてもよい。また、白色粉体は、シクロペンタシロキサンなどのシリコーンオイル、パルミチン酸エチルヘキシルなどのエステル油、油脂、炭化水素などの親油性溶媒に分散させた分散液やスラリーであってもよい。これらの中でも、エアゾール組成物中において、白色粉体を均一に分散させ得る点から、白色粉体は、シクロペンタシロキサンなどのシリコーンオイル、パルミチン酸エチルヘキシルなどのエステル油などの親油性溶媒に分散させた分散液やスラリーであることが好ましい。白色粉体は併用されてもよい。なお、白色粉体を分散させる親油性溶媒は、原液やエアゾール組成物としては後述する油剤に含まれる。 The white powder is not particularly limited. For example, white powders include zinc oxide, titanium oxide, silica, magnesium oxide, calcium carbonate, silicic anhydride, magnesium silicate, aluminum silicate, and the like. Note that the white powder may be surface-treated with silicone such as hydrogen dimethicone, aluminum hydroxide, hydrated silica, stearic acid, or the like. Further, the white powder may be a dispersion or slurry dispersed in a lipophilic solvent such as a silicone oil such as cyclopentasiloxane, an ester oil such as ethylhexyl palmitate, an oil or fat, or a hydrocarbon. Among these, white powders are dispersed in lipophilic solvents such as silicone oils such as cyclopentasiloxane and ester oils such as ethylhexyl palmitate in order to uniformly disperse the white powders in the aerosol composition. A dispersion liquid or slurry is preferable. White powder may be used in combination. Note that the lipophilic solvent for dispersing the white powder is included in the oil agent described later as a stock solution or an aerosol composition.
白色粉体（固形分）の含有量は、原液中、８質量％以上であることが好ましく、１０質量％以上であることがより好ましい。また、白色粉体の含有量は、原液中、３５質量％以下であることが好ましく、３０質量％以下であることがより好ましい。白色粉体の含有量が上記範囲内であることにより、エアゾール組成物は、皮膚に付着して紫外線を散乱させ、日焼けしないように皮膚を防御する。 The content of the white powder (solid content) in the stock solution is preferably 8% by mass or more, more preferably 10% by mass or more. Further, the content of the white powder in the stock solution is preferably 35% by mass or less, more preferably 30% by mass or less. When the content of the white powder is within the above range, the aerosol composition adheres to the skin and scatters ultraviolet rays, thereby protecting the skin from sunburn.
有色顔料は特に限定されない。一例を挙げると、有色顔料は、カーボンブラック、カラミン、グンジョウ、ベンガラ、黄酸化鉄、黒酸化鉄、酸化クロム、水酸化クロム、雲母チタン、ベントナイト、カオリン、タルク、マイカ、リソールルビンＢＣＡ（赤色２０２号）、レーキレッドＣ（赤色２０３号）、レーキレッドＣＢＡ（赤色２０４号）、リソールレッド（赤色２０５号）、リソールレッドＣＡ（赤色２０６号）、リソールレッドＢＡ（赤色２０７号）、リソールレッドＳＲ（赤色２０８号）、ブリリアントレーキレッドＲ（赤色２１９号）、ディープマルーン（赤色２２０号）、トルイジンレッド（赤色２２１号）、パーマネントレッド（赤色２２８号）、パーマネントオレンジ（だいだい色２０１号）、ベンチジンオレンジＧ（だいだい色２０４号）、ベンチジンエローＧ（黄色２０５号）、ブリリアントファストスカーレット（赤色４０４号）、パーマネントレッドＦ５Ｒ（赤色４０５号）、ハンザオレンジ（だいだい色４０１号）、ハンザエロー（黄色４０１号）、フタロシアニンブルー（青色４０４号）等である。また、有色顔料は、シリコーンオイル、エステル油、油脂、炭化水素などの親油性溶媒、１，３－ブチレングリコールなどの親水性溶媒、およびこれらの混合溶媒に分散させた分散液やスラリーであってもよい。特に、エアゾール組成物中に分散させやすく、色ムラなく健康的な肌色を付与しやすい点から、有色顔料は、親水性溶媒に分散させた分散液やスラリーを用いることが好ましい。有色顔料は併用されてもよい。これらの有色顔料が配合されることにより、肌色は、適度に日焼けしたような健康的な色が付与され得る。 Colored pigments are not particularly limited. For example, colored pigments include carbon black, calamine, gunjo, red iron oxide, yellow iron oxide, black iron oxide, chromium oxide, chromium hydroxide, titanium mica, bentonite, kaolin, talc, mica, Lysole Rubin BCA (Red No. 202). ), Lake Red C (Red No. 203), Lake Red CBA (Red No. 204), Resol Red (Red No. 205), Resol Red CA (Red No. 206), Resol Red BA (Red No. 207), Resol Red SR ( Red No. 208), Brilliant Lake Red R (Red No. 219), Deep Maroon (Red No. 220), Toluidine Red (Red No. 221), Permanent Red (Red No. 228), Permanent Orange (Red No. 201), Benzidine Orange G (Daidai-iro No. 204), Benchigin Yellow G (Yellow No. 205), Brilliant Fast Scarlet (Red No. 404), Permanent Red F5R (Red No. 405), Hansa Orange (Daidai-iro No. 401), Hansa Yellow (Yellow 401) No.), Phthalocyanine Blue (Blue No. 404), etc. In addition, colored pigments are dispersions or slurries dispersed in lipophilic solvents such as silicone oil, ester oil, fats and oils, hydrocarbons, hydrophilic solvents such as 1,3-butylene glycol, and mixed solvents thereof. Good too. In particular, it is preferable to use a dispersion or slurry in which the colored pigment is dispersed in a hydrophilic solvent because it is easy to disperse in the aerosol composition and it is easy to impart a healthy skin color without uneven coloring. Colored pigments may be used in combination. By blending these colored pigments, the skin can be given a healthy, tanned color.
有色顔料（固形分）の含有量は、原液中、１．０質量％以上であることが好ましく、１．５質量％以上であることがより好ましい。また、有色顔料の含有量は、原液中、１０質量％以下であることが好ましく、５質量％以下であることがより好ましい。有色顔料の含有量が上記範囲内であることにより、エアゾール組成物は、肌色は適度に日焼けしたような健康的な色が付与され得る。 The content of the colored pigment (solid content) in the stock solution is preferably 1.0% by mass or more, more preferably 1.5% by mass or more. Further, the content of the colored pigment in the stock solution is preferably 10% by mass or less, more preferably 5% by mass or less. When the content of the colored pigment is within the above range, the aerosol composition can be imparted with a healthy skin color that looks moderately tanned.
粉体（固形分）の含有量は、原液中、１０質量％以上であればよく、１２質量％以上であることが好ましい。また、粉体の含有量は、原液中、４０質量％以下であればよく、３０質量％以下であることが好ましい。粉体の含有量が上記範囲内であることにより、エアゾール組成物は、白色粉体によって優れた紫外線防御効果が得られつつ、皮膚に有色顔料による健康的な肌色を付与しやすい。 The content of powder (solid content) in the stock solution may be 10% by mass or more, and preferably 12% by mass or more. Further, the content of the powder in the stock solution may be 40% by mass or less, and preferably 30% by mass or less. When the content of the powder is within the above range, the aerosol composition can provide an excellent ultraviolet protection effect due to the white powder, while easily imparting a healthy complexion to the skin due to the colored pigment.
本実施形態において、白色粉体と有色顔料との配合比率（質量比）は特に限定されない。一例を挙げると、白色粉体と有色顔料との配合比率は、２５：１～４：１であることが好まく、１７：１～７：１であることがより好ましい。白色粉体と有色顔料との配合比率が上記範囲内であることにより、エアゾール組成物は、白色粉体によってより優れた紫外線防御効果が得られつつ、皮膚に有色顔料による健康的な肌色をより付与しやすい。 In this embodiment, the blending ratio (mass ratio) of the white powder and the colored pigment is not particularly limited. For example, the mixing ratio of white powder and colored pigment is preferably 25:1 to 4:1, more preferably 17:1 to 7:1. By setting the blending ratio of the white powder and the colored pigment within the above range, the aerosol composition can provide a more excellent UV protection effect with the white powder, while giving the skin a healthier complexion due to the colored pigment. Easy to give.
・乳化剤
乳化剤は、エアゾール組成物中での粉体の沈降状態や再分散性などを調整し、粉体を均一な組成で噴霧しやすくするために配合される。
- Emulsifier An emulsifier is added to adjust the sedimentation state and redispersibility of the powder in the aerosol composition, and to make it easier to spray the powder with a uniform composition.
乳化剤は特に限定されない。一例を挙げると、乳化剤は、ポリエーテル変性シリコーン等のシリコーン系界面活性剤、（アクリレーツ／イタコン酸ステアレスー２０）コポリマー等の会合型増粘剤、ポリオキシエチレンポリオキシプロピレンアルキルエーテル、ポリオキシエチレンアルキルエーテル、ポリオキシエチレン脂肪酸エステル、ポリオキシエチレンソルビタン脂肪酸エステル、ポリオキシエチレングリセリン脂肪酸エステル、ポリオキシエチレンソルビット脂肪酸エステル、ポリグリセリン脂肪酸エステル、ポリオキシエチレン硬化ヒマシ油などの非イオン性界面活性剤、アルキルリン酸塩、アルキル硫酸塩、ＰＯＥアルキルエーテル硫酸塩などのアニオン性界面活性剤、ラウリルベタイン等の両性界面活性剤、サポニン等の天然系界面活性剤等である。これらの中でも、乳化剤は、エアゾール組成物中での粉体、沈降状態や再分散性に優れている点から、ポリエーテル変性シリコーン等のシリコーン系界面活性剤であることが好ましい。乳化剤は併用されてもよい。 The emulsifier is not particularly limited. For example, emulsifiers include silicone surfactants such as polyether-modified silicones, associative thickeners such as (acrylates/itaconate steareth 20) copolymers, polyoxyethylene polyoxypropylene alkyl ether, polyoxyethylene alkyl Nonionic surfactants such as ether, polyoxyethylene fatty acid ester, polyoxyethylene sorbitan fatty acid ester, polyoxyethylene glycerin fatty acid ester, polyoxyethylene sorbitan fatty acid ester, polyglycerin fatty acid ester, polyoxyethylene hydrogenated castor oil, alkyl These include anionic surfactants such as phosphates, alkyl sulfates, and POE alkyl ether sulfates, amphoteric surfactants such as lauryl betaine, and natural surfactants such as saponin. Among these, the emulsifier is preferably a silicone-based surfactant such as polyether-modified silicone because of its excellent powder, sedimentation, and redispersibility in the aerosol composition. Emulsifiers may be used in combination.
乳化剤の含有量は特に限定されない。一例を挙げると、乳化剤の含有量は、原液中、０．１質量％以上であることが好ましく、０．５質量％以上であることがより好ましい。また、乳化剤の含有量は、１０質量％以下であることが好ましく、８質量％以下であることがより好ましい。乳化剤の含有量が上記範囲内であることにより、エアゾール組成物は、粉体の沈降速度が適切に調整されやすく、かつ、再分散性が優れる。 The content of the emulsifier is not particularly limited. For example, the content of the emulsifier in the stock solution is preferably 0.1% by mass or more, more preferably 0.5% by mass or more. Further, the content of the emulsifier is preferably 10% by mass or less, more preferably 8% by mass or less. When the emulsifier content is within the above range, the aerosol composition can easily adjust the sedimentation rate of the powder appropriately and has excellent redispersibility.
・被膜形成剤
被膜形成剤は、水や汗で粉体が落ちないようにするために配合される。
・Film-forming agent Film-forming agents are added to prevent the powder from coming off with water or sweat.
被膜形成剤は特に限定されない。一例を挙げると、被膜形成剤は、ジメチコンクロスポリマー、（ジメチコン／ビニルジメチコン）クロスポリマー、ポリアクリル酸ブチル、アクリル酸ブチル－メタクリル酸共重合体、アクリル酸ブチル－ヒドロキシメタクリル酸共重合体、アクリル酸オクチル－酢酸ビニル共重合体、アクリル酸－スチレン共重合体、アクリル酸－メタクリル酸アミド共重合体等である。これらの中でも、被膜形成剤は、油剤に溶解しやすく、耐水性が優れ、粉体のはがれ落ちを防止する効果が得られやすい点から、ジメチコンクロスポリマー、（ジメチコン／ビニルジメチコン）クロスポリマーであることが好ましい。被膜形成剤は併用されてもよい。 The film forming agent is not particularly limited. For example, film-forming agents include dimethicone crosspolymer, (dimethicone/vinyl dimethicone) crosspolymer, polybutyl acrylate, butyl acrylate-methacrylic acid copolymer, butyl acrylate-hydroxymethacrylic acid copolymer, acrylic These include octyl acid-vinyl acetate copolymer, acrylic acid-styrene copolymer, acrylic acid-methacrylic acid amide copolymer, and the like. Among these, film-forming agents are dimethicone crosspolymer and (dimethicone/vinyl dimethicone) crosspolymer because they are easily soluble in oil agents, have excellent water resistance, and are effective in preventing flaking of powder. It is preferable. Film-forming agents may be used in combination.
被膜形成剤の含有量は特に限定されない。一例を挙げると、被膜形成剤の含有量は、原液中、０．１質量％以上であることが好ましく、０．５質量％以上であることがより好ましい。また、被膜形成剤の含有量は、５質量％以下であることが好ましく、３質量％以下であることがより好ましい。被膜形成剤の含有量が上記範囲内であることにより、エアゾール組成物は、適用された皮膚上において、優れた耐水性が示され、水や汗で粉体がより落ちにくい。 The content of the film forming agent is not particularly limited. For example, the content of the film forming agent in the stock solution is preferably 0.1% by mass or more, more preferably 0.5% by mass or more. Further, the content of the film forming agent is preferably 5% by mass or less, more preferably 3% by mass or less. When the content of the film-forming agent is within the above range, the aerosol composition exhibits excellent water resistance on the skin to which it is applied, and the powder is less likely to be removed by water or sweat.
・油剤
油剤は、皮膚上に適用されたエアゾール組成物のすべりを良くしたり、使用感を調節したりするために配合される。
-Oil agent Oil agents are blended to improve the slippage of the aerosol composition applied to the skin and to adjust the feeling of use.
油剤は特に限定されない。一例を挙げると、油剤は、シリコーンオイル、エステル油、炭化水素油、油脂、脂肪酸、高級アルコール等である。油剤は併用されてもよい。 The oil agent is not particularly limited. For example, the oil agent may be silicone oil, ester oil, hydrocarbon oil, oil or fat, fatty acid, higher alcohol, or the like. Oil agents may be used in combination.
油剤の含有量は特に限定されない。一例を挙げると、油剤の含有量は、原液中、２０質量％以上であることが好ましく、２５質量％以上であることがより好ましい。また、油剤の含有量は、５０質量％以下であることが好ましく、４０質量％以下であることがより好ましい。なお、油剤の含有量は前述の白色粉体に含まれる親油性溶媒を含む。油剤の含有量が上記範囲内であることにより、エアゾール組成物は、適用された皮膚上において、優れた耐水性が示され、水や汗で粉体がより落ちにくい。 The content of the oil agent is not particularly limited. For example, the content of the oil in the stock solution is preferably 20% by mass or more, more preferably 25% by mass or more. Further, the content of the oil agent is preferably 50% by mass or less, more preferably 40% by mass or less. Note that the content of the oil agent includes the lipophilic solvent contained in the above-mentioned white powder. When the content of the oil agent is within the above range, the aerosol composition exhibits excellent water resistance on the skin to which it is applied, and the powder is less likely to be removed by water or sweat.
・水
水は、原液やエアゾール組成物の粘度を調節したり、粉体の沈降速度を調節するために配合される。
-Water Water is added to adjust the viscosity of the stock solution or aerosol composition, and to adjust the sedimentation rate of the powder.
水は特に限定されない。一例を挙げると、水は、精製水、イオン交換水、生理食塩水、海洋深層水等である。 Water is not particularly limited. For example, the water may be purified water, ion exchange water, physiological saline, deep ocean water, or the like.
水の含有量は特に限定されない。一例を挙げると、水の含有量は、原液中、５質量％以上であることが好ましく、１０質量％以上であることがより好ましい。また、水の含有量は、６０質量％以下であることが好ましく、５０質量％以下であることがより好ましい。水の含有量が上記範囲内であることにより、原液およびエアゾール組成物は、粘度が適切に調整されやすい。また、エアゾール組成物は、粉体の沈降速度が適切に調節されやすい。 The content of water is not particularly limited. For example, the content of water in the stock solution is preferably 5% by mass or more, more preferably 10% by mass or more. Further, the content of water is preferably 60% by mass or less, more preferably 50% by mass or less. When the water content is within the above range, the viscosity of the stock solution and aerosol composition can be easily adjusted appropriately. Further, in the aerosol composition, the sedimentation rate of the powder can be easily controlled appropriately.
任意成分
原液は、上記粉体、乳化剤、被膜形成剤、油剤および水を含む原液と、液化ガスのほかに、適宜、有効成分、アルコール、水溶性高分子等の任意成分を含んでもよい。
Optional Components In addition to the undiluted solution containing the powder, emulsifier, film-forming agent, oil, and water, and liquefied gas, the stock solution may also contain optional components such as active ingredients, alcohol, and water-soluble polymers, as appropriate.
有効成分は、製品の用途や目的などに応じて適宜選択することができる。一例を挙げると、有効成分は、アマランス（赤色２号）、エリスロシン（赤色３号）、ニューコクシン（赤色１０２号）、ローズベンガル（赤色１０５号）、アシッドレッド（赤色１０６号）、ローズベンカルＫ（赤色２３２号）、ビオラミンＲ（赤色４０１号）、レゾルシンブラウン（かっ色２０１号）、オレンジＩ（だいだい色４０２号）、オレンジII（だいだい色２０５号）、タートラジン（黄色４号）、サンセットイエロー（黄色５号）、ウラニン（黄色２０２号）、キノリンイエローＷＳ（黄色２０３号）、ナフト－ルイエローＳ（黄色４０３号）、ファストグリーン（緑色３号）、アリザリンシアニングリーンＦ（緑色２０１号）、ピラニンコンク（緑色２０４号）、ナフトールグリーンＢ（緑色４０１号）、ブリリアントブルーＦＣＦ（青色１号）、インジゴカルミン（青色２号）、パテントブルー（青色２０３号）、アリズロールパープル（紫色４０１号）、ナフトールブルーブラック（黒色４０１号）などの色素、ジエチルアミノヒドロキシベンゾイル安息香酸ヘキシル、パラメトキシケイ皮酸２－エチルヘキシル、エチルヘキシルトリアゾン、オキシベンゼン、ヒドロキシベンゾフェノンスルホン酸、ジヒドロキシベンゾフェノンスルホン酸ナトリウム、ジヒドロキシベンゾフェノンなどの紫外線吸収剤、レチノール、酢酸レチノール、パルミチン酸レチノール、パントテン酸カルシウム、アスコルビン酸、アスコルビン酸ナトリウム、ｄｌ－α－トコフェロール、酢酸トコフェロール、トコフェロール、ニコチン酸トコフェロール、ジベンゾイルチアミン、リボフラビンおよびこれらの混合物などのビタミン類、センブリ抽出液やローズマリー抽出液などの各種抽出物、ミントやメントールなどの清涼剤、塩化セチルピリジニウムやイソプロピルメチルフェノールなどの殺菌消毒剤、グリセリン、１，３－ブチレングリコール、プロピレングリコール、ヘキシレングリコール、ジプロピレングリコール、ジグリセリン、ヒアルロン酸などの保湿剤、フローラル、グリーン、シトラスグリーン、グリーンフローラル、シトラス、ローズ、ローズウッド、ハーバルウッド、レモン、ペパーミントなどの香料、クエン酸や乳酸などのｐＨ調整剤、エデト酸二ナトリウムなどのキレート剤、パラベンやフェノキシエタノールなどの防腐剤などである。 The active ingredient can be selected as appropriate depending on the use and purpose of the product. For example, the active ingredients are Amaranth (Red No. 2), Erythrosin (Red No. 3), New Coccin (Red No. 102), Rose Bengal (Red No. 105), Acid Red (Red No. 106), Rose Bencal K. (Red No. 232), Violamine R (Red No. 401), Resorcin Brown (Amber No. 201), Orange I (Amber No. 402), Orange II (Amber No. 205), Tartrazine (Yellow No. 4), Sunset Yellow (Yellow No. 5), Uranine (Yellow No. 202), Quinoline Yellow WS (Yellow No. 203), Naphthol Yellow S (Yellow No. 403), Fast Green (Green No. 3), Alizarin Cyanine Green F (Green No. 201) ), Pyranine Conch (Green No. 204), Naphthol Green B (Green No. 401), Brilliant Blue FCF (Blue No. 1), Indigo Carmine (Blue No. 2), Patent Blue (Blue No. 203), Arizurol Purple (Purple No. 401) ), dyes such as naphthol blue black (black No. 401), diethylaminohydroxybenzoylhexyl benzoate, 2-ethylhexyl paramethoxycinnamate, ethylhexyl triazone, oxybenzene, hydroxybenzophenone sulfonic acid, sodium dihydroxybenzophenone sulfonate, dihydroxybenzophenone UV absorbers such as retinol, retinol acetate, retinol palmitate, calcium pantothenate, ascorbic acid, sodium ascorbate, dl-α-tocopherol, tocopherol acetate, tocopherol, tocopherol nicotinate, dibenzoylthiamine, riboflavin and mixtures thereof. vitamins such as, various extracts such as Oriental japonica extract and rosemary extract, cooling agents such as mint and menthol, disinfectants such as cetylpyridinium chloride and isopropyl methylphenol, glycerin, 1,3-butylene glycol, propylene Moisturizing agents such as glycol, hexylene glycol, dipropylene glycol, diglycerin, hyaluronic acid, fragrances such as floral, green, citrus green, green floral, citrus, rose, rosewood, herbal wood, lemon, peppermint, citric acid and These include pH adjusters such as lactic acid, chelating agents such as disodium edetate, and preservatives such as parabens and phenoxyethanol.
アルコールは、水に溶解しにくい有効成分の溶媒として好適に配合される。また、アルコールは、乾燥性を調整する等の目的で好適に配合される。 Alcohol is suitably blended as a solvent for active ingredients that are difficult to dissolve in water. Moreover, alcohol is suitably blended for the purpose of adjusting drying properties.
アルコールは特に限定されない。一例を挙げると、アルコールは、エタノール、イソプロパノール等の炭素数が２～３個の１価アルコール、グリセリン、プロピレングリコール、１，３－ブチレングリコール、ヘキシレングリコール、ジプロピレングリコール、ジグリセリンなどの多価アルコールである。 Alcohol is not particularly limited. For example, alcohols include monohydric alcohols with 2 to 3 carbon atoms such as ethanol and isopropanol, and polyhydric alcohols such as glycerin, propylene glycol, 1,3-butylene glycol, hexylene glycol, dipropylene glycol, and diglycerin. alcohol.
アルコールが配合される場合、アルコールの含有量は特に限定されない。一例を挙げると、アルコールの含有量は、原液中、１質量％以上であることが好ましく、３質量％以上であることがより好ましい。また、アルコールの含有量は、原液中、３０質量％以下であることが好ましく、２５質量％以下であることがより好ましい。アルコールの含有量が上記範囲内であることにより、アルコールを配合することによる効果が得られやすく、かつ、エアゾール組成物は、アルコールによって乾燥性が調整できる。 When alcohol is blended, the alcohol content is not particularly limited. For example, the content of alcohol in the stock solution is preferably 1% by mass or more, more preferably 3% by mass or more. Further, the content of alcohol in the stock solution is preferably 30% by mass or less, more preferably 25% by mass or less. When the alcohol content is within the above range, the effects of incorporating alcohol can be easily obtained, and the drying properties of the aerosol composition can be adjusted by the alcohol.
水溶性高分子は、原液の粘度を調節する等の目的で好適に配合される。 The water-soluble polymer is suitably added for purposes such as adjusting the viscosity of the stock solution.
水溶性高分子は特に限定されない。一例を挙げると、水溶性高分子は、ヒドロキシエチルセルロース、ヒドロキシプロピルセルロース、ヒドロキシプロピルメチルセルロース、カルボキシメチルセルロースナトリウムなどのセルロース系高分子；キサンタンガム、カラギーナン、アラビアゴム、トラガントゴム、カチオン化グアガム、グアガム、ジェランガムなどのガム質；デキストラン、カルボキシメチルデキストランナトリウム、デキストリン、ペクチン、アルギン酸ナトリウム、ヒアルロン酸ナトリウム、ポリビニルアルコール、カルボキシビニルポリマー等である。 The water-soluble polymer is not particularly limited. For example, water-soluble polymers include cellulose polymers such as hydroxyethyl cellulose, hydroxypropyl cellulose, hydroxypropyl methyl cellulose, and sodium carboxymethyl cellulose; Gum: Dextran, sodium carboxymethyl dextran, dextrin, pectin, sodium alginate, sodium hyaluronate, polyvinyl alcohol, carboxyvinyl polymer, etc.
水溶性高分子が配合される場合、水溶性高分子の含有量は特に限定されない。一例を挙げると、水溶性高分子の含有量は、原液中、０．０１質量％以上であることが好ましく、０．０５質量％以上であることがより好ましい。また、水溶性高分子の含有量は、原液中、５質量％以下であることが好ましく、３質量％以下であることがより好ましい。水溶性高分子の含有量が上記範囲内であることにより、水溶性高分子を配合することによる効果が得られやすく、かつ、原液の粘度が高くなり過ぎない。 When a water-soluble polymer is blended, the content of the water-soluble polymer is not particularly limited. For example, the content of the water-soluble polymer in the stock solution is preferably 0.01% by mass or more, more preferably 0.05% by mass or more. Further, the content of the water-soluble polymer in the stock solution is preferably 5% by mass or less, more preferably 3% by mass or less. When the content of the water-soluble polymer is within the above range, the effects of blending the water-soluble polymer can be easily obtained, and the viscosity of the stock solution does not become too high.
原液全体の説明に戻り、原液の含有量は特に限定されない。一例を挙げると、原液の含有量は、エアゾール組成物中、１５質量％以上であることが好ましく、２０質量％以上であることがより好ましい。また、原液の含有量は、エアゾール組成物中、７０質量％以下であることが好ましく、６０質量％以下であることがより好ましい。原液の含有量が上記範囲内であることにより、噴射されたエアゾール組成物は、身体に適した範囲に拡がりやすく、均等に付着して、健康的な肌色に見せる効果をより発揮しやすい。 Returning to the explanation of the whole stock solution, the content of the stock solution is not particularly limited. For example, the content of the stock solution in the aerosol composition is preferably 15% by mass or more, more preferably 20% by mass or more. Further, the content of the stock solution is preferably 70% by mass or less, more preferably 60% by mass or less in the aerosol composition. When the content of the stock solution is within the above range, the sprayed aerosol composition easily spreads over a range suitable for the body, adheres evenly, and more easily exhibits the effect of giving the skin a healthy complexion.
原液の調製方法は特に限定されない。原液は、従来公知の方法により調製することができる。たとえば、原液は、水に粉体、乳化剤、被膜形成剤および油剤、任意成分等を添加し、混合することにより調製し得る。 The method for preparing the stock solution is not particularly limited. The stock solution can be prepared by a conventionally known method. For example, a stock solution can be prepared by adding powder, emulsifier, film forming agent, oil agent, optional ingredients, etc. to water and mixing.
（液化ガス）
液化ガスは、エアゾール容器内では蒸気圧を有する液体であり、エアゾール容器からエアゾール組成物を霧状に吐出したり、粉体を分散させる溶媒として作用する。また、液化ガスは、適用箇所である皮膚上において、乾燥性を改善するために配合される。
(liquefied gas)
The liquefied gas is a liquid that has vapor pressure within the aerosol container, and acts as a solvent for discharging the aerosol composition from the aerosol container in a mist form or dispersing powder. In addition, the liquefied gas is blended on the skin where it is applied to improve dryness.
液化ガスは特に限定されない。一例を挙げると、液化ガスは、プロパン、ノルマルブタン、イソブタンおよびこれらの混合物である液化石油ガス、ジメチルエーテル、トランス－１，３，３，３－テトラフルオロプロペンなどのハイドロフルオロオレフィン、およびこれらの混合物等である。 The liquefied gas is not particularly limited. By way of example, liquefied gases include liquefied petroleum gases such as propane, normal butane, isobutane and mixtures thereof, dimethyl ether, hydrofluoroolefins such as trans-1,3,3,3-tetrafluoropropene, and mixtures thereof. etc.
液化ガスの含有量は特に限定されない。一例を挙げると、液化ガスの含有量は、エアゾール組成物中、３０質量％以上であることが好ましく、４０質量％以上であることがより好ましい。また、液化ガスの含有量は、エアゾール組成物中、８５質量％以下であることが好ましく、８０質量％以下であることがより好ましい。液化ガスの含有量が上記範囲内であることにより、エアゾール組成物は、身体に適した範囲に拡がりやすく、均等に付着して、健康的な肌色に見せる効果をより発揮しやすい。 The content of liquefied gas is not particularly limited. For example, the content of liquefied gas in the aerosol composition is preferably 30% by mass or more, more preferably 40% by mass or more. Further, the content of liquefied gas in the aerosol composition is preferably 85% by mass or less, more preferably 80% by mass or less. When the content of the liquefied gas is within the above range, the aerosol composition easily spreads over a range suitable for the body, adheres evenly, and more easily exhibits the effect of giving the skin a healthy complexion.
なお、本実施形態のエアゾール組成物は、霧の粗さを調節する目的で、噴射剤として圧縮ガスが併用されてもよい。圧縮ガスは、亜酸化窒素ガス、炭酸ガス、窒素ガス、圧縮空気、酸素ガス等である。 In addition, in the aerosol composition of this embodiment, compressed gas may be used together as a propellant for the purpose of adjusting the roughness of the mist. The compressed gas is nitrous oxide gas, carbon dioxide gas, nitrogen gas, compressed air, oxygen gas, or the like.
エアゾール組成物全体の説明に戻り、エアゾール組成物の調製方法は特に限定されない。一例を挙げると、エアゾール組成物は、耐圧性の容器本体に原液を充填し、バルブを容器本体の開口部上に保持して開口部とバルブの隙間から液化ガスをアンダーカップ充填し、容器本体にバルブを固着することにより調製し得る。なお、原液を充填した後にバルブを固着し、バルブから液化ガスを充填してもよい。 Returning to the overall description of the aerosol composition, the method for preparing the aerosol composition is not particularly limited. For example, an aerosol composition is prepared by filling a pressure-resistant container body with the stock solution, holding a valve above the opening of the container body, and under-filling the liquefied gas from the gap between the opening and the valve. It can be prepared by fixing the valve to the Note that after filling the stock solution, the valve may be fixed, and the liquefied gas may be filled from the valve.
以下、実施例により本発明をより具体的に説明する。本発明は、これら実施例に何ら限定されない。 Hereinafter, the present invention will be explained in more detail with reference to Examples. The present invention is not limited to these examples at all.
（実施例１）
以下の表１に示される処方にしたがって、原液Ａを調製した。この原液Ａ１２ｇ（３０質量％）をポリエチレンテレフタレート製耐圧容器に充填し、耐圧容器の口部にバルブを固着した。バルブから液化石油ガス２８ｇ（７０質量％）を充填し、実施例１のエアゾール組成物を調製した。
(Example 1)
Stock solution A was prepared according to the recipe shown in Table 1 below. 12 g (30% by mass) of this stock solution A was filled into a pressure-resistant container made of polyethylene terephthalate, and a valve was fixed to the mouth of the pressure-resistant container. The aerosol composition of Example 1 was prepared by filling 28 g (70% by mass) of liquefied petroleum gas through the valve.
（実施例２～５、比較例１～２）
表１に示される処方にしたがって、原液Ｂ～Ｆを調製した。得られた原液Ａ～Ｆを用いて、表２に示される処方にしたがって、実施例１と同様の方法により液化石油ガスを充填し、それぞれ実施例２～５および比較例１～２のエアゾール組成物を調製した。
(Examples 2-5, Comparative Examples 1-2)
Stock solutions B to F were prepared according to the formulations shown in Table 1. Using the obtained stock solutions A to F, liquefied petroleum gas was filled in the same manner as in Example 1 according to the formulation shown in Table 2, and the aerosol compositions of Examples 2 to 5 and Comparative Examples 1 to 2 were obtained, respectively. I prepared something.
実施例１～５および比較例１～２において得られたエアゾール組成物を用いて、以下の評価方法により、エアゾール組成物の調整しやすさ、分散性、再分散性、色および耐水性を評価した。結果を表２に示す。 Using the aerosol compositions obtained in Examples 1 to 5 and Comparative Examples 1 to 2, the ease of adjustment, dispersibility, redispersibility, color, and water resistance of the aerosol compositions were evaluated by the following evaluation methods. did. The results are shown in Table 2.
１．エアゾール組成物の調整しやすさ
耐圧容器内でエアゾール組成物を調整し、耐圧容器を上下に振盪したときのエアゾール組成物の様子を、以下の評価基準にしたがって評価した。
（評価基準）
○：エアゾール組成物の液相が安定な乳化物を形成し、エアゾール組成物中に粉体が均等に分散した。
×：エアゾール組成物の液相が分離し、粉体の分散性が悪かった。
1. Ease of Adjustment of Aerosol Composition An aerosol composition was prepared in a pressure-resistant container, and the appearance of the aerosol composition when the pressure-resistant container was shaken up and down was evaluated according to the following evaluation criteria.
(Evaluation criteria)
Good: The liquid phase of the aerosol composition formed a stable emulsion, and the powder was evenly dispersed in the aerosol composition.
×: The liquid phase of the aerosol composition separated, and the dispersibility of the powder was poor.
２．分散性
耐圧容器を上下に振盪し粉体をエアゾール組成物中で分散させてから容器を静置したときの粉体の分散性（沈降状態）を、以下の評価基準にしたがって評価した。
（評価基準）
○：１０秒以上経過しても、粉体が容器の底部に沈降しなかった。
△：４～９秒で粉体が容器の底部に沈降した。
×：３秒以内に粉体が容器の底部に沈降した。
－：調整直後の粉体の分散性が悪かったため評価せず。
2. Dispersibility The dispersibility (sedimentation state) of the powder was evaluated according to the following evaluation criteria when the pressure container was shaken up and down to disperse the powder in the aerosol composition and then the container was allowed to stand still.
(Evaluation criteria)
○: The powder did not settle to the bottom of the container even after 10 seconds or more had passed.
Δ: Powder settled to the bottom of the container in 4 to 9 seconds.
x: Powder settled to the bottom of the container within 3 seconds.
-: Not evaluated because the dispersibility of the powder immediately after adjustment was poor.
３．再分散性
２５℃の恒温室内で１週間静置して粉体を容器内で沈降させた耐圧容器を、１０回上下に振ったときの粉体のエアゾール組成物中での再分散性を、以下の評価基準にしたがって評価した。
（評価基準）
○：粉体は、均一に分散した。
×：粉体の一部が底部に残留しており、均一に分散しなかった。
－：調整直後の粉体の分散性が悪かったため評価せず。
3. Redispersibility The redispersibility of the powder in the aerosol composition when the pressure container was shaken up and down 10 times after being left undisturbed for one week in a constant temperature room at 25°C to allow the powder to settle in the container. Evaluation was made according to the following evaluation criteria.
(Evaluation criteria)
○: The powder was uniformly dispersed.
×: Part of the powder remained at the bottom and was not uniformly dispersed.
-: Not evaluated because the dispersibility of the powder immediately after adjustment was poor.
４．色
耐圧容器を２５℃の恒温水槽に１時間浸漬し、エアゾール組成物を、人工皮革に噴霧し、塗り広げた。塗り広げられた色を、以下の評価基準にしたがって評価した。
（評価基準）
○：色ムラなく所望の肌色になった。
△：色ムラはなかったが、所望の肌色からわずかに薄くなった。
×：色ムラができ、所望の色にならなかった。
－：調整直後の粉体の分散性が悪かったため評価せず。
4. Color A pressure-resistant container was immersed in a constant temperature water bath at 25° C. for 1 hour, and the aerosol composition was sprayed onto the artificial leather and spread. The spread color was evaluated according to the following evaluation criteria.
(Evaluation criteria)
○: The desired skin color was achieved without color unevenness.
Δ: There was no color unevenness, but the desired skin color was slightly paler.
×: Color unevenness occurred and the desired color was not obtained.
-: Not evaluated because the dispersibility of the powder immediately after adjustment was poor.
５．耐水性
耐圧容器を２５℃の恒温水槽に１時間浸漬し、エアゾール組成物を、人工皮革に噴霧し、塗り広げた。１００ｍＬのビーカーに５０ｇの水を入れ、水に人工皮革を１分間つけたときの水の外観変化を、以下の評価基準にしたがって評価した。
（評価基準）
○：人工皮革は色落ちせず、ビーカーの水は透明のままであった。
×：人工皮革は色落ちし、ビーカーの水は濁った。
－：調整直後の粉体の分散性が悪かったため評価せず。
5. Water Resistance The pressure container was immersed in a constant temperature water bath at 25° C. for 1 hour, and the aerosol composition was sprayed onto the artificial leather and spread. 50 g of water was put into a 100 mL beaker, and when the artificial leather was soaked in the water for 1 minute, the appearance change of the water was evaluated according to the following evaluation criteria.
(Evaluation criteria)
○: The artificial leather did not discolor, and the water in the beaker remained transparent.
×: The artificial leather was discolored and the water in the beaker became cloudy.
-: Not evaluated because the dispersibility of the powder immediately after adjustment was poor.
表２に示されるように、実施例１～５のエアゾール組成物は、エアゾール組成物を調整しやすく、分散性、再分散性が優れており、かつ、色ムラなく所望の色となるよう塗布することができた。また、塗布された実施例１～５のエアゾール組成物は、耐水性にも優れていた。 As shown in Table 2, the aerosol compositions of Examples 1 to 5 are easy to prepare, have excellent dispersibility and redispersibility, and can be applied to achieve the desired color without uneven coloring. We were able to. Furthermore, the applied aerosol compositions of Examples 1 to 5 also had excellent water resistance.
一方、白色粉体を含有しない比較例１のエアゾール組成物は、エアゾールの調整はできたが、分散性、再分散性が劣り、かつ、色ムラができ、所望の色となるよう塗布することができなかった。また、塗布された比較例１のエアゾール組成物は、耐水性にも劣っていた。水を含有しない比較例２のエアゾール組成物は、エアゾール組成物の調整で、液相が分離してしまい、有色顔料の分散性が悪かった。 On the other hand, the aerosol composition of Comparative Example 1, which does not contain white powder, was able to prepare an aerosol, but had poor dispersibility and redispersibility, and had uneven color, making it difficult to apply to achieve the desired color. I couldn't do it. Moreover, the applied aerosol composition of Comparative Example 1 was also inferior in water resistance. In the aerosol composition of Comparative Example 2 which did not contain water, the liquid phase separated during preparation of the aerosol composition, and the dispersibility of the colored pigment was poor.
Claims (4)
前記粉体は、白色粉体と有色顔料とを含み、
前記乳化剤は、シリコーン系界面活性剤を含み、
前記被膜形成剤は、ジメチコンクロスポリマー、（ジメチコン／ビニルジメチコン）クロスポリマー、ポリアクリル酸ブチル、アクリル酸ブチル－メタクリル酸共重合体、アクリル酸ブチル－ヒドロキシメタクリル酸共重合体、アクリル酸オクチル－酢酸ビニル共重合体、アクリル酸－スチレン共重合体またはアクリル酸－メタクリル酸アミド共重合体のうち、少なくとも１種を含み、
前記油分は、シリコーンオイルまたはエステル油を含み、
前記粉体の含有量（固形分）は、原液中、１０～４０質量％であり、
前記乳化剤の含有量は、原液中、０．１～１０質量％であり、
前記被膜形成剤の含有量は、原液中、０．１～５質量％であり、
前記油分の含有量は、原液中、２０～５０質量％であり、
前記水の含有量は、原液中、１０～６０質量％であり、
前記白色粉体と前記有色顔料との配合比率（質量比）は、１７：１～７：１である、エアゾール組成物。 Contains an undiluted solution containing powder, an emulsifier, a film forming agent, an oil and water, and a liquefied gas,
The powder includes a white powder and a colored pigment,
The emulsifier includes a silicone surfactant,
The film forming agent includes dimethicone crosspolymer, (dimethicone/vinyl dimethicone) crosspolymer, polybutyl acrylate, butyl acrylate-methacrylic acid copolymer, butyl acrylate-hydroxymethacrylic acid copolymer, octyl acrylate-acetic acid. Containing at least one of a vinyl copolymer, an acrylic acid-styrene copolymer, or an acrylic acid-methacrylic acid amide copolymer,
The oil includes silicone oil or ester oil,
The content (solid content) of the powder is 10 to 40% by mass in the stock solution,
The content of the emulsifier is 0.1 to 10% by mass in the stock solution,
The content of the film forming agent is 0.1 to 5% by mass in the stock solution,
The oil content is 20 to 50% by mass in the stock solution,
The water content is 10 to 60% by mass in the stock solution,
An aerosol composition in which a blending ratio (mass ratio) of the white powder and the colored pigment is 17:1 to 7:1 .
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