INCI · other · CIR review pending · used in 1 products
Methionine(100 Ppm)
Methionine (CAS 59-51-8) is a sulfur-containing essential amino acid used in cosmetic formulations. Its official CosIng-listed functions are antistatic, hair conditioning, and skin conditioning. It appears in a wide range of products including shampoos, serums, lotions, and creams, typically at low concentrations such as 100 ppm.
Evidence level
weakEWG score
—Comedogenic
—Category
other● Benefits
Methionine is used in cosmetics primarily for its hair and skin conditioning properties, helping to improve texture and manageability. Its antistatic function may also help reduce static in hair care formulations.
hair-conditioningskin-conditioningantistatic
● Cautions
