Black Iron Oxide (CI 77499)
AKA “Ferriferrous Oxide, Oxide, Ferriferrous, Ferrosoferric, Black Iron Oxide, C.I. 77499”
Mineral
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Ingredient Facts
Black iron oxide (CI 77499)
AKA: Ferriferrous Oxide, Ferriferrous, Ferrosoferric, C.I. 77499
Mineral · Colorant · EWG: 4
Plant-Derived
Colorant
Mineral
Clean
A natural mineral pigment that creates deep black and charcoal shades in eyeshadows, mascaras, and other color cosmetics.
CAS #
12227-89-3, 1309-37-1, 1317-61-9, 1345-25-1, 1345-27-3, 52357-70-7
Form
Powder
Plant-Derived
Synthetic. Black Iron Oxide is derived from iron ore minerals or synthesized from iron compounds in the ferric oxidation state. It is produced through thermal oxidation or calcination of iron compounds at high temperatures to create the stable black oxide form.
Function
Colorant
Benefits
Cosmetic Colorant
Reduces Inflammation
Brightens Skin
Wound Healing
Skin Types
all-skin-types
Best For
Target
General
Melanin-Rich Skin
Suitable
Pregnancy Safe
Yes
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Verified Feb 2026
Data: CosIng · EWG · CIR