Film Former
TOSYLAMIDE
Safety score · 0–100
Caution
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A toluenesulfonamide used in nail polish resins. A well-known contact allergen — typically the cause of eyelid or facial dermatitis from nail product transfer.
Function
Skin benefits
- Imparts hardness/gloss to nail polish films
- Improves polish adhesion
Known concerns
- Well-documented contact allergen (eyelid/face dermatitis)
- Eye irritation (H319)
- Often paired with formaldehyde to make resin
- Skin sensitization risk
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, so always read the physical product label and consult a healthcare professional for personal concerns.