Iron Oxides
INCI: CI 77491
Reviewed by Kate · Last updated 14 Aug 2026
Also known as: CI 77491, CI 77492, CI 77499, Red iron(III) oxide, Black iron oxide, Yellow iron oxide
Cosmetic pigments that originate from natural minerals Used to tint sunscreens and makeup
EWG Safety Score
What Is Iron Oxides?
Iron oxides are cosmetic pigments that originate from natural minerals and are considered both synthetic and mineral when refined. Used to tint sunscreens, create complexion-enhancing makeup shades, and help protect skin from visible light.
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Erythrulose
Substance chemically similar to the self-tanning agent dihydroxyacetone.
Gardenia Jasminoides Fruit Extract
A plant extract with traditional use and emerging research into skin-protective properties
Gold
Precious metal and element
Lactoflavin
A B vitamin form used primarily as a colourant in hair and cosmetic products
Magnesium Stearate
Used as a texture enhancer in cosmetics
P-Phenylenediamine
A synthetic colourant used primarily in hair dyes, not typically found in skincare
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