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Colorant

IRON HYDROXIDE

CAS 20344-49-4 Updated
92

Safety score · 0–100

Excellent

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

About

A mineral pigment (iron oxyhydroxide / goethite class) giving yellow-brown tones — one of the safest cosmetic colorants known, with FDA approval extending to lip and eye area products.

Skin benefits

  • Inert mineral colorant with excellent safety record
  • Approved for use even in lip and eye products
  • No documented skin sensitization at cosmetic levels
  • Provides yellow-brown shades without organic-pigment concerns

Known concerns

  • No significant concerns at cosmetic concentrations

References

EU

EU CosIng database

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

Related colorants

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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.