Mercaptoacetic acid, monoester with propane-1,2,3-triol
Formula
C5H10O4S
Mol. Weight
166.20
CAS #
30618-84-9
Form
Liquid
State
Colorless viscous liquid with a mild sulfurous odor; [Lanza Research MSDS]
Functions
Hair Waving Or Straightening
Moisturizing
Strengthens Barrier
Changes hair texture
Traditional Use
A synthetic derivative combining glycerin with thioglycolic acid, developed in the mid-20th century. Created specifically for use in permanent wave (perm) hair treatments and hair straightening formulations.