INCI · colorant · CIR review pending · used in 2 products
Iron Oxide Red
CI 77491, also known as Iron Oxide Red, is a widely used inorganic pigment that imparts a characteristic rust-red color to cosmetic formulations. Chemically, it is iron III oxide (Fe2O3) and is identified by multiple CAS numbers including 1309-37-1 and 1317-61-9. It is commonly found in foundations, where it contributes pink tones, as well as in a broad range of color cosmetics.
Evidence level
strongEWG score
—Comedogenic
0/5Category
colorant● Benefits
CI 77491 functions primarily as a cosmetic colorant, providing red and pink pigmentation in makeup and personal care products. It is a stable, inorganic pigment with a well-established safety profile in cosmetic use.
colorant
● Cautions
Subject to cosmetic restriction IV/135 as noted in CosIng official information; users should verify compliance with applicable regional regulations.
