CheckVegan

Is Cysteamine vegan?

Cysteamine

Vegan Vegan
Vegetarian Vegetarian

Cysteamine is a synthetic organosulfur compound containing both amine and thiol functional groups, used in cosmetic skin-lightening formulations and pharmaceutical treatments.

Also known as 2-Aminoethanethiol, Ethanethiol, 2-amino- or Mercaptamine, Mercaptamine
INCI name Cysteamine
CAS number 60-23-1
CosIng ID 95978
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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