INCI · other · CIR review pending · used in 2 products
Colloidal Gold
Colloidal gold is the product obtained by the suspension of gold particles in water. It is listed under CAS # 7440-57-5 and EC # 231-165-9. According to CosIng, its official functions are antimicrobial and skin conditioning. It appears as an ingredient in a wide range of cosmetic products including serums, masks, eye patches, and toners.
Evidence level
weakEWG score
—Comedogenic
—Category
other● Benefits
Colloidal gold is used in cosmetics primarily for its antimicrobial and skin conditioning properties. The source does not provide clinical evidence for specific skin benefits beyond these two officially listed functions.
antimicrobialskin-conditioning
● Cautions
