Iron Oxide
AKA: Iron dioxide, Iron oxide (FeO2), 12411-15-3, Iron oxide (ACGIH)
WHAT IS IT?
Synthetic
Not Clean
Iron oxide (Fe2O4) is a cosmetic ingredient. Also known as Iron dioxide.
Mol. Weight
87.84
State
Dry Powder; Pellets or Large Crystals
WHAT DOES IT DO?
Functions
Opacifying
CAN I TRUST THIS?
Iron Dioxide
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
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Purification of Spent Hop Cone (Humulus lupulus L.) Extract with Xanthohumol Using Mesoporous Superparamagnetic Iron Oxide Nanoparticles.
Żuk N, Pasieczna-Patkowska S, Grabias-Blicharz E, Pizoń M, Flieger J
Antioxidants (Basel, Switzerland), 2025
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Verified Jun 2026
Data: PubChem · CosIng
