Yellow Iron Oxide (CI 77492)
AKA “Ferric oxide Yellow, C.I. 77492, Yellow iron oxide, Ferric oxide, yellow, Bayferrox 920”
Ingredient
Ingredient Facts
Yellow iron oxide (CI 77492)
AKA: Ferric oxide Yellow, C.I. 77492, Ferric oxide, Bayferrox 920
Ingredient · Opacifying · EWG: 4
Synthetic
Colorant
Not Clean
Yellow Iron Oxide (CI 77492) is a cosmetic ingredient.
CAS #
51274-00-1, 1345-27-3, 20344-49-4, 52357-70-7
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
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
HC Yellow No. 4.
Becker LC
International journal of toxicology, 2017
HC Yellow No. 4.
Becker LC
International journal of toxicology, 2017
Safety Assessment of Basic Yellow 57 as Used in Cosmetics.
Burnett CL, Bergfeld WF, Belsito DV, Cohen DE, Klaassen CD et al.
International journal of toxicology, 2025
Final Report on the Safety Assessment of Disperse Yellow 3
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Final Report on the Safety Assessment of HC Yellow No. 2
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Final Report on the Safety Assessment of HC Yellow No. 4
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Final Report on the Safety Assessment of HC Yellow No. 5
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Final Report: Safety Assessment of Basic Yellow 87 as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
HC Yellow No. 5
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Safety Assessment of Basic Yellow 57 as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Basic Yellow 57
European Commission
EU Cosmetic Ingredient Database (CosIng)
Basic Yellow 87
European Commission
EU Cosmetic Ingredient Database (CosIng)
Final report on the safety assessment of HC Yellow No. 5.
Cosmetic Ingredient Review Expert Panel
International journal of toxicology, 2007
Basic Yellow 57
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Basic Yellow 87
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
HC Yellow No. 2
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
A Potential Role of Keratinocyte-Derived Bilirubin in Human Skin Yellowness and Its Amelioration by Sucrose Laurate/Dilaurate.
Fang B, Card PD, Chen J, Li L, Laughlin T et al.
International journal of molecular sciences, 2022
A Potential Role of Keratinocyte-Derived Bilirubin in Human Skin Yellowness and Its Amelioration by Sucrose Laurate/Dilaurate.
Fang B, Card PD, Chen J, Li L, Laughlin T et al.
International journal of molecular sciences, 2022
Patch testing with the textile dyes Disperse Orange 1 and Disperse Yellow 3 and some of their potential metabolites, and simultaneous reactions to par
Malinauskiene L, Zimerson E, Bruze M, Ryberg K, Isaksson M
Contact dermatitis, 2012
Verified Jun 2026
Data: CosIng · EWG · CIR