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Is Glyceryl Thiopropionate vegetarian?

Glyceryl Thiopropionate

Vegetarian Vegetarian
Vegan Vegan

Glyceryl thiopropionate is the ester of 3-mercaptopropionic acid and glycerin, a synthetic compound used as a reducing agent in cosmetic hair care formulations.

Also known as 2,3-Dihydroxypropyl 3-Mercaptopropionate
INCI name Glyceryl Thiopropionate
CAS number 67874-65-1
EC number 267-492-9
CosIng ID 34113
Last reviewed 9 July 2026

An ingredient is considered vegetarian if it avoids components derived from killing an animal.

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