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Rare-earth salt

LANTHANUM CHLORIDE

CAS 10099-58-8
35

Safety score · 0–100

Caution

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

Lanthanum chloride is a rare-earth metal salt used mainly in research and industry. It has no recognised cosmetic role and raises toxicological and environmental concerns.

Function

ASTRINGENT

Skin benefits

  • Used as a research tool to inhibit phosphate uptake
  • No clear cosmetic benefit

Known concerns

  • Rare-earth salt with limited dermatological safety data
  • Possible local irritation and systemic accumulation
  • Not on EU cosmetic positive lists
  • Environmental concerns about rare earths

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, so always read the physical product label and consult a healthcare professional for personal concerns.