| 摘要 |
<p>This invention is directed to a composition for straightening or permanently waving keratin based materials. In particular, this invention is directed to a composition for safely and effectively straightening or permanently waving hair without causing damage to the hair or leaving unwanted substances in the hair. More particularly, this composition relates to a composition for safely and effectively straightening or permanently waving difficult to process hair such as virgin untreated African-American, Asian, Mediterranean, or Latin hair.</p> |
