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Iron Oxides
AKA “Mineral Pigment”
Ingredient
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Ingredient Facts
Iron oxides
AKA: Mineral Pigment
Ingredient · Bulking · EWG: 4
Plant-Derived Synthetic
Not Clean
Silicon/Titanium/Cerium/Iron Oxides is the product obtained by the calcination of silicon oxide, titanium dioxide, cerium dioxide and iron oxides
CAS #
Varies: 1309-37-1 (black), 1317-61-9 (red), 1317-60-8 (yellow)
See origin →
Functions
Bulking
Opacifying
Adds Color
Antioxidant Protection
UV Protection
Locks In Moisture
Traditional Use
Used as pigments since ancient times, found in ochre and natural earth pigments used by indigenous cultures for body decoration and cosmetics. Synthetic iron oxides were standardized in the 20th century as stable, regulated colorants for cosmetics.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
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Verified Jun 2026
Data: CosIng · EWG · CIR