INCI · other · CIR review pending · used in 1 products
Steartrimonium Methosulfate
Steartrimonium Methosulfate (CAS 18684-11-2, EC 242-501-9) is a quaternary ammonium compound with the IUPAC name Trimethyl(Octadecyl)Ammonium Methyl Sulphate. It is a cationic conditioning agent commonly used in hair and skin care formulations. According to CosIng, its official functions are antistatic and hair conditioning.
Evidence level
weakEWG score
—Comedogenic
—Category
other● Benefits
It helps reduce static buildup on hair and skin surfaces, and provides conditioning effects to the hair. It is frequently found in peeling gel formulations as well as hair treatments.
antistatichair conditioning
● Cautions
