Science
Mechanism of Action
It hydrolyzes in water to release fluoride ions, which inhibit demineralization of hydroxyapatite in tooth enamel. These fluoride ions also facilitate the formation of more acid-resistant fluorapatite, offering protection against plaque bacteria.
Research
Clinical Evidence
High confidence0.15%
Key findings
- 01 EC Scientific Committee (SCCNFP) concluded 0.15% fluoride is safe for children under 6 and effective for dental caries prevention.
- 02 UK clinical trials showed significant caries reduction with 1450 ppm fluoride toothpaste in children.
Transparency
Dusting Analysis
This ingredient is primarily an anti-caries active for oral care, not typically used in general skincare formulations where dusting would be a concern. Its use is strictly regulated based on fluoride content.
The Formula
Formulation
Stability
Highly water-soluble, solutions are basic but prone to hydrolysis, especially above pH 7.0. It reacts with acids to produce silicon tetrafluoride gas.
Conflicts
- Glass containers (etches glass)
- Aluminum (corrosive to metals)
- Calcium and Magnesium ions (precipitates insoluble fluorides)
- Strong acids
Safety
Safety Profile
Restricted by EU and ASEAN to 0.15% maximum fluoride content. In the US, it's categorized as an anti-caries drug active, not a general cosmetic ingredient.
Your Skin
Skin Compatibility
Our Assessment
Verdict
While highly effective for dental caries prevention, Ammonium Fluorosilicate is not typically a skincare ingredient and is subject to strict regulatory limits as a fluoride source.
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References
Sources