Is L-Cysteine, N-acetyl-, monosodium salt vegan?

Sodium Acetyl Cysteinate is also known as L-Cysteine, N-acetyl-, monosodium salt.

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.

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