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POTASSIUM FLUOROSILICATE

CAS 16871-90-2 Updated
32

Safety score · 0–100

Caution

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

About

A fluoride-releasing inorganic salt seen mainly in oral care, where the EU permits it within strict fluoride caps. Acute toxicity if swallowed in larger amounts and dental-fluorosis risk with overuse anchor a cautious tier.

Function

ANTIPLAQUEORAL CARE

Skin benefits

  • Source of fluoride for oral care
  • Inorganic and stable
  • Used in some toothpaste formulations

Known concerns

  • Hydrolyzes to release fluoride and silicate ions
  • Acutely toxic if swallowed at higher levels
  • EU restricts fluoride compounds with concentration caps
  • Risk of dental fluorosis with overuse

References

EU

EU CosIng database

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

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BASIC VIOLET 1
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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.