Restricted substance
AMMONIUM HEXAFLUOROPHOSPHATE
Safety score · 0–100
Caution
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
An ammonium salt of hexafluorophosphate primarily used outside cosmetics. Hydrolysis can release toxic fluoride containing species, making it unsuitable as a leave on or rinse off skincare ingredient.
Skin benefits
- Industrial salt used in electrochemistry and catalysis
- Has no recognised cosmetic skin function
- Listed in ingredient catalogs primarily for completeness
Known concerns
- Hexafluorophosphate hydrolysis can release toxic fluoride species
- Strong eye and respiratory irritant
- Hydrolysis to hydrogen fluoride is a serious hazard
- No SCCS or CIR endorsement for cosmetic use
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.