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    • 5. 发明申请
    • Cosmetics
    • 化妆品
    • US20030082220A1
    • 2003-05-01
    • US10237746
    • 2002-09-10
    • KOSE CORPORATION
    • Junko Nakayama
    • A61K031/07A61K007/00
    • A61K8/671A61K8/347A61K8/8152A61K2800/522A61Q19/00
    • Cosmetics in which vitamin A or its derivatives are stably formulated, which are excellent in usability due to moderate viscosity and also excellent in feelings upon use such as rich and nourish feeling and aqueous feeling at the time of use and skin effect after use (skin elasticity after use) and have excellent stability with the passage of time. The cosmetic composition contains vitamin A or a derivative thereof, an alkali-soluble polymer emulsion thickener and an oil-soluble antioxidant as essential components. Also, the cosmetic composition wherein the alkali-soluble polymer emulsion thickener is a copolymer of (A) at least one of acrylic acid and methacrylic acid, (B) one or two or more species selected from acrylic acid alkyl esters and methacrylic acid alkyl esters, and (C) an ester of a polyoxyalkylene monoalkyl ether with acrylic acid or an ester of a polyoxyalkylene monoalkyl ether with methacrylic acid.
    • 其中维生素A或其衍生物稳定配制的化妆品,由于适度的粘度而且在使用时的使用感和使用时的使用感和使用时的水分感觉以及使用后的皮肤效果(皮肤弹性 使用后),随时间而稳定。 化妆品组合物含有维生素A或其衍生物,碱溶性聚合物乳液增稠剂和油溶性抗氧化剂作为必需组分。 此外,其中所述碱溶性聚合物乳液增稠剂是(A)丙烯酸和甲基丙烯酸中的至少一种,(B)选自丙烯酸烷基酯和甲基丙烯酸烷基酯中的一种或两种以上的物质的共聚物的化妆品组合物 ,和(C)聚氧化烯单烷基醚与丙烯酸或聚氧化烯单烷基醚与甲基丙烯酸的酯的酯。