| 摘要 |
The use of N-acyl derivatives of homocysteine of formula (II), where R is substituted or unsubstituted, saturated or unsaturated, straight-chain or branched CO-alkyl radical of more than 4 carbon atoms, for lasting modification of keratinous materials, in particular as agents for waving hair or as depilatory agents, keratolytic compositions and derivatives of formula (II). |
