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    • 2. 发明申请
    • LONG-LASTING EASY WASH-OFF COSMETIC COMPOSITIONS
    • 长效易洗涤化妆品组合物
    • WO2013089833A1
    • 2013-06-20
    • PCT/US2012/050236
    • 2012-08-10
    • AVON PRODUCTS, INC.HOWELL, Ashley L.MEI, Bing C.
    • HOWELL, Ashley L.MEI, Bing C.
    • A61K9/30
    • A61K8/8141A61K8/8152A61Q1/02A61Q1/04A61Q1/06A61Q1/10A61Q1/12A61Q19/00
    • Cosmetic compositions are provided, which are capable of forming a cosmetic film on a human integument when applied thereto. Cosmetic compositions according to the invention typically include a cosmetically acceptable vehicle, optionally, one or more colorants, and a pH-dependant film-forming polymer of poly(methacrylic acid-co-methyl methacrylate) having a ratio of methacrylic acid to methyl methacrylate of about 1:1 to about 1:2, an acid value of from about 150 to about 350 mg KOH/g, and a weight average molar mass between about 100,000 and about 150,000 g/mol. The compositions are capable of forming an adherent film on the integument that is substantially resistant to removal by water at a first pH, but readily dispersible or soluble in water at a second pH higher than said first pH.
    • 提供了化妆品组合物,其能够在施用于人皮肤时在人皮肤上形成化妆品膜。 根据本发明的化妆品组合物通常包括美容上可接受的载体,任选的一种或多种着色剂和具有甲基丙烯酸与甲基丙烯酸甲酯的比例的聚甲基丙烯酸 - 甲基丙烯酸甲酯的pH依赖性成膜聚合物 约1:1至约1:2,酸值为约150至约350 mg KOH / g,重均摩尔质量约为100,000至约150,000 g / mol。 组合物能够在皮肤上形成粘附膜,其基本上不受第一pH下的水去除,但是在高于所述第一pH的第二pH下易于分散或溶于水。