INCI · antioxidant · CIR review pending · used in 6 products
Glutathione
Glutathione is a naturally occurring tripeptide composed of glycine, cysteine, and glutamic acid, registered under CAS #70-18-8. Its official CosIng-listed function is listed as "reducing," indicating its role as a reducing agent in cosmetic formulations. It is commonly found in skin-lightening, brightening, and antioxidant-focused skincare products.
Evidence level
weakEWG score
—Comedogenic
—Category
antioxidant● Benefits
Glutathione is primarily used in cosmetics for its reducing and antioxidant properties. It is widely featured in brightening and depigmentation products, suggesting a role in addressing uneven skin tone and dark spots.
brighteningantioxidantanti-aging
● Cautions




