Ads
related to: alkaline perm vs acid perming powder for fine thinebay.com has been visited by 1M+ users in the past month
Search results
Results from the WOW.Com Content Network
A permanent wave, commonly called a perm or permanent (sometimes called a "curly perm" to distinguish it from a "straight perm"), [1] is a hairstyle consisting of waves or curls set into the hair. The curls may last a number of months, hence the name. Perms may be applied using thermal or chemical means.
The thioglycolic acid in the perm solution reduces the disulfide cystine bonds in the cortex of the hair. [2] In a sense, the thioglycolate removes crosslinks. After washing, the hair is treated with a mild solution of hydrogen peroxide , which oxidizes the cysteines back to cystine .
Another type of "no-lye" relaxer uses ammonium thioglycolate, which is also known as perm salt for its use in permanent waves. Perm salt is a chemical reducing agent which selectively weakens the hair's cystine bonds instead of disrupting the entire protein, but strips out the natural oils even more thoroughly than the alkali hydroxide products.
The curl-perm process adds body and volume to flat or straight hair, giving it more volume and making it easier to style. More specifically, it depends on your hair texture and what you’ve done ...
For premium support please call: 800-290-4726 more ways to reach us
A chemical depilatory is a cosmetic preparation used to remove hair from the skin.Common active ingredients are salts of thioglycolic acid and thiolactic acids.These compounds break the disulfide bonds in keratin and also hydrolyze the hair so that it is easily removed.
Ads
related to: alkaline perm vs acid perming powder for fine thinebay.com has been visited by 1M+ users in the past month