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Is Steartrimonium Chloride vegetarian?

Steartrimonium Chloride

Steartrimonium Chloride is a quaternary ammonium salt, trimethyloctadecylammonium chloride, used as an antistatic and conditioning agent in hair and skin care products; it can be derived from plant or animal-derived fatty stearyl sources.

Also known as Trimethyloctadecylammonium Chloride
INCI name Steartrimonium Chloride
CAS number 112-03-8
EC number 203-929-1
CosIng ID 38313
Last reviewed 4 July 2026

An ingredient is considered vegetarian if it avoids components derived from killing an animal.

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