INCI · surfactant · CIR review pending · used in 2 products
Polysorbate 40
Polysorbate 40 (CAS# 9005-66-7) is a polyoxyethylene derivative of sorbitan monohexadecanoate (sorbitan esterified with palmitic acid). It is a synthetic, water-soluble nonionic surfactant used widely in cosmetic and personal care formulations. Its official CosIng-listed functions are emulsifying and surfactant/cleansing.
Evidence level
weakEWG score
—Comedogenic
—Category
surfactant● Benefits
Polysorbate 40 helps blend oil and water phases in formulations, improving product stability and texture. As a surfactant, it can also assist in mild cleansing applications. Its primary role is functional rather than providing direct skin-active benefits.
emulsifying
● Cautions
