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    • 9. 发明授权
    • Stable emulsions for cosmetic products
    • 化妆品稳定乳液
    • US06403067B1
    • 2002-06-11
    • US09575483
    • 2000-05-19
    • Thomas SchamperSuman Kumar ChopraBhal MogheJohn Carl-Frederick BrahmsMardoqueo BustosPeter Hilliard, Jr.Marie JohanssonClaudo OrtizChristine Popoff
    • Thomas SchamperSuman Kumar ChopraBhal MogheJohn Carl-Frederick BrahmsMardoqueo BustosPeter Hilliard, Jr.Marie JohanssonClaudo OrtizChristine Popoff
    • A61K732
    • A61Q15/00A61K8/06A61K8/894
    • Low water emulsions are described which are useful for antiperspirants and/or deodorants wherein the emulsions are made by combining (I) 15-33% of an external phase comprising: (a) 1-25% of an organic ester having a refractive index in the range of 1.43-1.60 and capable of releasing an antiperspirant active to achieve a specified conductivity; (b) a sufficient amount of a silicone copolyol to achieve a solids content of 0.25-10%; (c) a sufficient amount of a volatile silicone to achieve a total amount of the external phase as 15-33%; (c) 0-5% of a silicone elastomer (on an actives basis); and (d) 0-15% of at least one emollient; and (II) 67-85% of an internal phase comprising: (a) an effective amount of at least one cosmetically active ingredient; (b) a sufficient amount of a solvent component to dissolve the cosmetically active ingredient with a maximum amount being about 80%; (c) 0.5-15 % of water optionally containing up to 30% of an ionizable salt soluble in water; (d) 0-5 % of a non-ionic emulsifier; and (e) 0-10% ethanol; wherein: (1) the final refractive index of the composition is in the range of 1.42-1.52; and (2) the conductance of the composition is at least 250 micro Siemens/cm/ml at a loading of at least 7% by weight level of antiperspirant active.
    • 描述了可用于止汗剂和/或除臭剂的低水乳剂,其中乳液通过将(I)15-33%的外相组合制备,所述外相包含:(a)1-25%的具有折射率的有机酯 范围为1.43-1.60,能够释放止汗活性物质达到规定的电导率; (b)足够量的硅氧烷共聚多元醇以获得0.25-10%的固体含量; (c)足量的挥发性硅酮,以达到外相总量的15-33%; (c)0-5%的硅氧烷弹性体(基于活性物质); 和(d)至少一种润肤剂的0-15%; 和(II)67-85%的内相,其包含:(a)有效量的至少一种化妆品活性成分; (b)足够量的溶剂组分以最大量为约80%溶解化妆品活性成分; (c)0.5-15%的水,任选地含有最多30%的可溶于水的可电离盐; (d)0-5%的非离子乳化剂; 和(e)0-10%乙醇; 其中:(1)组合物的最终折射率在1.42-1.52的范围内; 和(2)组合物的电导率至少为250微西门子/厘米/毫升,以至少7重量%的止汗活性剂的负荷。