Film Former
ETHYL TOSYLAMIDE
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A film-forming sulfonamide used in nail polish for gloss and durability. Restricted in EU leave-on skin products; sensitization risk for sulfonamide-allergic users.
Function
Skin benefits
- Film-former in nail lacquers
- Improves gloss and chip resistance
Known concerns
- Sulfonamide structure - sensitization potential
- Restricted/banned in some EU cosmetics outside nail use
- Family is historically linked to formaldehyde release in resins
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related film formers
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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.