INCI · colorant · CIR review pending · used in 2 products
Yellow Iron Oxide
Yellow Iron Oxide (CI 77492) is a common inorganic pigment used to impart yellow tones in cosmetic formulations. Chemically, it is hydrated iron III oxide and can range in shade from a light lemon to an orange-yellow depending on manufacturing conditions. It is frequently blended with red and black iron oxides to achieve flesh-toned shades in makeup products. It carries multiple CAS numbers (51274-00-1 / 1345-27-3 / 20344-49-4 / 52357-70-7) and is regulated under Cosmetic Restriction IV/136.
Evidence level
strongEWG score
1/10Comedogenic
0/5Category
colorant● Benefits
Provides stable yellow pigmentation essential for foundations, concealers, and other flesh-toned makeup products. When combined with red and black iron oxides, it enables a wide range of skin-matching shades.
colorant
● Cautions
