Iron Hydroxide
molecular structure · PubChem
AKA: Iron hydroxide oxide, Ferric oxyhydroxide, Ferric hydroxide oxide, FERRIC OXY-HYDROXIDE, IRON HYDROXIDE OXIDE (FEO(OH)), 5Fe2O3.9H2O, FERRIC OXYHYDROXIDE (FEO2H), FERRIC HYDROXIDE OXIDE (FEOOH)
WHAT IS IT?
Synthetic
Clean
Iron Hydroxide is a cosmetic ingredient used as light stabilizer.
Mol. Weight
88.85
CAS #
20344-49-4
State
Dry Powder; NKRA
WHAT DOES IT DO?
Functions
Light Stabilizer
IS IT CLEAN?
EWG
1
CIR
—
Pregnancy
—
Regulatory Agencies
EWG
CAN I TRUST THIS?
The paper trail
🔬
Peer-reviewed
1 paper →
⚖️
Regulatory
1 listing →
🛡️
Safety-assessed
1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG