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Skin Conditioning

HYDROXYAPATITE

CAS 1306-06-5
90

Safety score · 0–100

Excellent

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

Hydroxyapatite — the calcium-phosphate mineral that makes up bone and tooth enamel. Used in skincare and toothpaste to remineralise, smooth and gently polish. Biocompatible and excellent for sensitive teeth and skin.

Skin benefits

  • Remineralises tooth enamel in oral care
  • Smooths skin and acts as a soft polish
  • Highly biocompatible — present in bone and teeth

Known concerns

  • Nano-grade material warrants particle-size disclosure under EU rules
  • Generally no significant safety concerns at cosmetic concentrations

References

EU

EU CosIng database

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

PC

PubChem

U.S. NIH compound data, GHS hazard codes and toxicity literature.

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