申请人:L'Oreal
公开号:US05154918A1
公开(公告)日:1992-10-13
A cosmetic composition for the first stage of an operation for the permanent deformation of hair contains, as a reducing agent, a compound having the formula ##STR1## wherein, n is 2 or 3; A represents a divalent radical selected from (i) --(CH.sub.2).sub.m --, wherein m is 2 or 3, ##STR2## wherein R.sub.3 and R.sub.4, each independently, represent alkyl having 1-4 carbon atoms, or R.sub.3 and R.sub.4 together with the adjacent carbon atoms form a cyclohexane ring, and ##STR3## wherein R.sub.5 and R.sub.6, each independently, represent hydrogen, alkyl having 1-4 carbon atoms, or R.sub.5 and R.sub.6 together with the adjacent carbon atoms form a benzene ring; R.sub.1 represents hydrogen; R.sub.2 represents hydroxy, or R.sub.1 and R.sub.2 taken together form a simple bond, and the salts of an organic or mineral base of said compound in free acid form.
一种用于永久变形头发手术的第一阶段的化妆品组合物,含有一种还原剂,该还原剂的化学式为##STR1##其中,n为2或3;A代表二价基团,选自(i)--(CH.sub.2).sub.m--,其中m为2或3,##STR2##其中R.sub.3和R.sub.4分别独立地表示具有1-4个碳原子的烷基,或R.sub.3和R.sub.4与相邻的碳原子形成环己烷环,以及##STR3##其中,R.sub.5和R.sub.6分别独立地表示氢、具有1-4个碳原子的烷基,或R.sub.5和R.sub.6与相邻的碳原子形成苯环;R.sub.1表示氢;R.sub.2表示羟基,或R.sub.1和R.sub.2共同形成简单键;以及该化合物的有机或矿物质基的盐,以自由酸形式存在。