CheckVegan

Is Thiolactic Acid vegan?

Thiolactic Acid

Vegan Vegan
Vegetarian Vegetarian

Thiolactic acid is a synthetic organosulfur compound with both carboxyl and thiol functional groups, structurally related to lactic acid with a thiol group replacing the hydroxyl group. It is a colorless oily liquid used in cosmetics and industrial applications.

Also known as 2-Mercaptopropionic acid
INCI name Thiolactic Acid
CAS number 79-42-5
EC number 201-206-5
CosIng ID 80771
Last reviewed 9 July 2026

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

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