Is Buteth-3 Carboxylic Acid vegan?

Buteth-3 Carboxylic Acid

Vegan

Buteth-3 Carboxylic Acid is a synthetic polyethylene glycol ether derivative of butanol terminated with a carboxymethyl group, used as a surfactant or emulsifier in cosmetics.

Also known as 107600-34-0, Poly(oxy-1,2-ethanediyl), alpha-butyl-omega-carboxymethoxy
INCI name Buteth-3 Carboxylic Acid
CAS number 75427-76-8
CosIng ID 74728
Last reviewed 4 July 2026

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