Is Acetyl Farnesylcysteine vegan?

Acetyl Farnesylcysteine

Vegan

Acetyl Farnesylcysteine is a synthetic derivative of the amino acid cysteine, acetylated and conjugated with a farnesyl group, used as a cosmetic active ingredient, notably as a skin-lightening agent.

Also known as L-Cysteine, N-acetyl-S-[(2E,6E)-3,7,11-trimethyl-2,6,10-dodecatrienyl]-
INCI name Acetyl Farnesylcysteine
CAS number 135304-07-3
CosIng ID 86441
Last reviewed 4 July 2026

Sources

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