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Antioxidant

COLLOIDAL PLATINUM

CAS 7440-06-4 Updated
60

Safety score · 0–100

Fine

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

About

Tiny platinum metal particles suspended in liquid, marketed as an antioxidant catalyst. Inert at the surface but nano-form raises bioavailability questions.

Skin benefits

  • Marketed as antioxidant catalyst
  • Inert metallic nanoparticles
  • Used at trace ppm

Known concerns

  • Nanoparticle bioavailability questions
  • Limited cosmetic safety data
  • Sensitization rare but reported

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.