Inorganic fluorosilicate salt
Ammonium fluorosilicate
Safety score · 0–100
Avoid
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A toxic inorganic fluorosilicate salt that releases hydrofluoric acid on contact with moisture, posing severe acute and systemic toxicity risks and unsuitable for cosmetic use.
Skin benefits
- Used industrially as a fluoride source
- Some dental applications outside cosmetics
Known concerns
- Releases hydrofluoric acid and fluoride on contact with moisture
- Acutely toxic by inhalation, ingestion, and dermal contact
- Corrosive and severely irritating to skin and eyes
- Not permitted as a general cosmetic ingredient
- Systemic fluoride toxicity risk
References
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.