Glyceryl Thiopropionate

AKA “3-Mercaptopropanoic acid, glyceryl monoester, EINECS 267-492-9, Propanoic acid, 3-dihydroxypropyl ester, RefChem:869510, DTXCID50815565, 3-Dihydroxypropyl 3-mercaptopropionate”

Synthetic

Ingredient Facts

Glyceryl thiopropionate

AKA: 3-Mercaptopropanoic acid, Glyceryl monoester, EINECS 267-492-9, Propanoic acid, 3-dihydroxypropyl ester, RefChem:869510, DTXCID50815565, 3-Dihydroxypropyl 3-mercaptopropionate

Synthetic · Hair Waving Or Straightening · EWG: 4

Synthetic

Clean

A hair-conditioning agent that helps relax curl patterns and supports smooth, straight styles while maintaining hair moisture.

Formula

C6H12O4S

Mol. Weight

180.22

CAS #

67874-65-1

Form

Liquid

See origin →

Functions

Hair Waving Or Straightening

Reducing

Reducing Agent

Changes hair texture

Chemical reduction

Traditional Use

A modern synthetic ingredient combining glycerin with thiopropionic acid. Developed in the 20th century as an antioxidant and preservative in cosmetic formulations.