COMPOSITION FOR EXTERNAL SKIN CARE

摘要

A composition for external skin care comprising an amine derivative represented by formula (1), wherein R<1> is a linear, branched, or cyclic saturated or unsaturated hydrocarbon group having 4-40 carbon atoms, and R<2>, R<3>, R<4>, R<5>, and R<6> are individually a hydrogen atom or a hydrocarbon group having 1-10 carbon atoms, which may be substituted or unsubstituted by one or more hydroxy groups; or an acid addition salt thereof, in an amount from 0.0001 to less than 0.1 % by weight; and a method of curing wrinkles and keratinization of the skin characterized by applying said amine derivative or its salt to the skin.