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Colorant

Aluminum silicate coloured with ferric oxide

CAS 1309-37-1/1332-25-8 Updated
75

Safety score · 0–100

Fine

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

About

A clay-based mineral pigment colored with iron oxide for earthy tones. Generally low-risk in cosmetics, with usual cautions about inhalation of loose powder.

Skin benefits

  • Stable mineral pigment
  • Provides earth-tone color
  • Inert in formulation

Known concerns

  • Inhalation risk for loose powders
  • Possible heavy-metal trace contamination
  • Variable purity grades

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.