| 摘要 |
Novel amide derivatives have the following structure (1): (1) where Y is hydrogen or an unsaturated fatty acid residue, A is an hydroxyalkyl group, B is a sugar or phosphate residue, and (CaHb) is a hydrocarbon residue with from 7 to 49 carbon atoms. The amide derivative can be employed in compositions, together with a suitable carrier, for topical application, particularly to improve damaged human skin or hair.
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