Orange oxide (CI77489)
AKA “CI77489”
Ingredient
Ingredient Facts
Orange oxide (CI77489)
Ingredient · Opacifying · EWG: 4
Synthetic
Colorant
Not Clean
Orange oxide (CI77489) is a cosmetic ingredient.
Formula
FeO
Mol. Weight
71.84
CAS #
1345-25-1
Form
Powder
State
Solid
See origin →
Functions
Opacifying
Cosmetic Colorant
Gives the product its color. Purely aesthetic — makes the formula look good in the jar but does nothing for your skin.
Adds Color
Anti-Aging Benefits
Wound Healing
Fights Bacteria
Traditional Use
An iron oxide pigment used in cosmetics since the early 20th century as a colorant. Iron oxides are naturally occurring minerals that have been used as pigments for thousands of years, but synthetic versions were developed for cosmetic use to ensure purity and consistency.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR