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Colorant

Iron Oxide red

CAS 1345-25-1; 1345-27-3; 1309-37-1; 1317-61-9; 52357-70-7 Updated
88

Safety score · 0–100

Good

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

Iron oxide red — an inert mineral pigment (CI 77491). Approved worldwide for cosmetics, very stable, photoprotective in tinted sunscreens. Skin-safe; powder inhalation is the only real caveat.

Skin benefits

  • Inert mineral pigment
  • Photoprotection in tinted sunscreens
  • Excellent stability

Known concerns

  • Heavy-metal trace impurities controlled by spec
  • Inhalation of loose powder

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

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Iron oxide
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.