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Is Thioglycolic Acid vegan?

Thioglycolic Acid

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Vegetarian Vegetarian

Thioglycolic acid, also known as mercaptoacetic acid, is a synthetic organic compound containing both thiol and carboxylic acid functional groups. It is used in cosmetics, notably in hair-waving and depilatory products, and its esters are used similarly.

Also known as Mercaptoacetic Acid, TGA, THIOGLYCOLIC ACID
INCI name Thioglycolic Acid
CAS number 68-11-1
EC number 200-677-4
CosIng ID 28835
Last reviewed 4 July 2026

An ingredient is considered vegan if it contains no animal-derived components at any point in its production.

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