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Superabsorbent polymers and sunscreen actives for use in skin care compositions
专利权人:
发明人:
Paul Robert Tanner,Mridula Manohar
申请号:
US13834406
公开号:
US09549891B2
申请日:
2013.03.15
申请国别(地区):
US
年份:
2017
代理人:
摘要:
A skin care composition having from about 0.01% to about 5%, by weight, of an superabsorbent polymer which is a sodium polyacrylate, sodium polacrylate starch, sodium acrylates crosspolymer-2 or mixtures of these and a portion of the polymer comprises a grafted starch material. The superabsorbent polymer is particulate where the particles have an average particle size in the range of from about 5μ-30μ, and the individual particles in their dry or un-swollen condition are substantially non-spherical, flat, platelet, or elongated in shape. The particles have an absorption capacity of at least about 1000 times their initial dry or un-swollen volume. Additionally, the skin care composition contains from about 0.01-10% of a dry powder that is either starch or silicone based and wherein the dry powder is coated with a silicone based material. Further there is provided a UV active.
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