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Banned Substance

MONAZITE

CAS 1306-41-8 Updated
5

Safety score · 0–100

Avoid

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

About

A naturally radioactive rare-earth phosphate mineral ore containing 4-12% thorium oxide. Not appropriate for cosmetic use — radiological risk far outweighs any cosmetic claim.

Function

ANTIMICROBIAL

Skin benefits

  • No legitimate cosmetic use case at standard purity

Known concerns

  • Naturally radioactive — typically 4-12% thorium oxide
  • Inhalable dust linked to lung and pancreatic cancer (NCI/IARC thorium)
  • Not appropriate for cosmetic application
  • NORM (naturally occurring radioactive material) classification

References

EU

EU CosIng database

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

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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.