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Active Ingredient

Sodium Fluorosilicate

CAS 16893-85-9 Updated
35

Safety score · 0–100

Caution

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

About

A fluoride salt restricted to oral-care products in the EU (max 0.15% as F, Annex III). Ingestion is acutely toxic; not permitted in skin or hair products. Safe only within tightly regulated toothpaste use.

Skin benefits

  • Anticaries fluoride source in oral care (regulated)
  • Effective at low fluoride concentrations

Known concerns

  • EU Annex III restriction — oral care only at max 0.15% F
  • Acute toxicity if ingested
  • Releases hydrofluoric acid in stomach acid
  • Not for use in skin/hair products

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.