发明授权
US4021539A Skin treating cosmetic compositions containing N-polyhydroxyalkyl-amines 失效
皮肤处理含有N-多羟基烷基胺的化妆品组合物

Skin treating cosmetic compositions containing N-polyhydroxyalkyl-amines
摘要:
The present invention relates to compositions for the treatment of the skin containing up to 25% by weight of at least one N-polyhydroxyalkyl-amine of the formula ##STR1## wherein R.sub.1 is hydrogen, lower alkyl, hydroxy-lower alkyl or aminoalkyl, as well as heterocyclic aminoalkyl, R is the same as R.sub.1 except that both cannot be hydrogen at the same time, R.sub.2 is --CH.sub.2 OH or --COOH, m is the integer 3 or 4, and n is the integer O, or, when m is 3 and R.sub.2 is --CH.sub.2 OH, 1; and the method of skin treatment therewith.
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