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Is Methyl Thioglycolate vegetarian?

Methyl Thioglycolate

Vegetarian Vegetarian
Vegan Vegan

Methyl Thioglycolate is the methyl ester of thioglycolic acid, a synthetic organic compound used as a reducing agent in hair-waving and depilatory products.

Also known as Methyl Mercaptoacetate
INCI name Methyl Thioglycolate
CAS number 2365-48-2
EC number 219-121-7
CosIng ID 35328
Last reviewed 4 July 2026

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

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