Cosmetic compositions comprising alkyl or alkenyl derivatives of succinic acid

摘要

Cosmetic or pharmaceutical composition includes an emulsifier comprising an alk(en)yl-substituted carboxylic acid, anhydride, ester or amide derivative (I) in which the alk(en)yl chain has at least 28 carbon (C) atoms and is formed by polymerization of a 2-4C alkene.