A cosmetic composition for the first step of an operation for the permanent deformation of hair, the composition containing an N-mercaptoalkylalkanediamide or one of its cosmetically acceptable salts as a reducing agent, including new N-mercaptoalkylalkanediamide disulphides and new N-mercaptoalkylalkanediamides, and its use in a process for the permanent deformation of hair.
一种用于永久改变发型的化妆品组合物,包含N-巯基烷基烷二
酰胺或其化妆品可接受的盐作为还原剂的第一步操作,包括新的N-巯基烷基烷二
酰胺二
硫化物和新的N-巯基烷基烷二
酰胺,以及其在永久改变发型的过程中的使用。