Oct 17, 2012 | Article
The first technique for obtaining permanent reshaping of the hair consists, in a first stage, in opening the --S--S-- disulfide bonds of keratin (keratocystine) using a composition containing a...
Read more
Sep 7, 2011 | Article
A permanent shaping of keratin-containing fibers is usually carried out by mechanically shaping the fibers and fixing the shaping using suitable aids. Before and/or after this shaping, the fibers...