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Is Sodium Acetyl Cysteinate vegan?

Sodium Acetyl Cysteinate

Vegan Vegan
Vegetarian Vegetarian

Sodium Acetyl Cysteinate is the monosodium salt of N-acetyl-L-cysteine, a synthetic derivative of the amino acid cysteine used in cosmetics as an antioxidant and skin-conditioning agent.

Also known as L-Cysteine, N-acetyl-, monosodium salt
INCI name Sodium Acetyl Cysteinate
CAS number 19542-74-6
EC number 243-143-6
CosIng ID 58705
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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