| 摘要 |
<p>Prepn. consists of a soln. in a cosmetic vehicle, of a copolymer obtained by copolymerisation of a mixture of 40-90% polymerised vinyl pyrrolidone and 60-10% of allylic or methallylic ester, vinylether, or alpha olefin. Used as a hair lacquer or waving soln.</p> |
