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Item # 1144, N-Acetyl-L-Cysteine

INCI Name: Acetylcysteine

CAS Numbers: 616-91-1


N-acetyl-L-cysteine (abbreviated NAC) also known as acetylcysteine, functions as an anti-oxidant and skin conditioning agent. It is also a pharmaceutical drug and nutritional supplement used primarily as a mucolytic agent and in the management of acetaminophen overdose. As a dietary supplement it claims antioxidant and liver protecting effects. It is used as a cough medicine because it breaks disulfide bonds in mucus and liquefies it.

Cosmetically it is used in antifungals, moisturizers, body wash, mascara, and skin repair creams.


N-Acetyl-L-Cysteine Material Safety Data Sheet
(PDF, 772KB)

N-Acetyl-L-Cysteine Technical Data Sheet
(PDF, 497KB)