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Oral Care

Potassium fluoride

CAS 7789-23-3 Updated
25

Safety score · 0–100

Caution

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

About

A toxic fluoride salt mostly limited to oral-care products in EU Annex III. Acutely toxic if swallowed and corrosive, so it is not used in leave-on skincare.

Skin benefits

  • Source of fluoride ion in oral care
  • Anticaries effect at controlled %

Known concerns

  • GHS acute toxicity Category 3 oral and dermal
  • Corrosive
  • Annex III oral hygiene restriction
  • Not for leave-on skincare

References

EU

EU CosIng database

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

Related oral cares

42
CALCIUM MONOFLUOROPHOSPHATE
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AMMONIUM MONOFLUOROPHOSPHATE
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MAGNESIUM SODIUM FLUOROSILICATE
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Calcium fluoride
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SACCHAROMYCES/FLUORIDE FERMENT
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STANNOUS PYROPHOSPHATE
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 70
OLAFLUR
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 70
STREPTOCOCCUS SALIVARIUS/HYDROLYZED NONFAT DRY MILK FERMENT
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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.