Synthetic ceramide barrier lipid cpds. for use in skin or hair care prods. e.g. moisturising agents

摘要

Synthetic barrier lipids for skin- or hair care prods., comprise acylated sugar monoacid amides of formula R<3>-C(=O)-O-CH2-(CH)n(OH)CH(OH)-C(=O)-NR<1>R<2> (I). R<1> = 6-30C alkyl or alkenyl or a gp. of formula CH2-(CH)m(R<5>)-C(=O)-OR<4> (II); R<2> = H or 1-4C alkyl; R<3>, R<4> = 6-30C alkyl or alkenyl; R<5> = H or 1-6C alkyl or alkenyl; m = 1-10 ; n = 0 - 4.