Film Former
POLYURETHANE-84
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A water-dispersible polyurethane that forms a flexible, glossy film, used mainly in nail care. EU Annex III/201 caps its use, but the cured polymer itself is inert; residual isocyanate control is the key safety lever.
Function
Skin benefits
- Forms a flexible, glossy, water-resistant film
- Improves nail-polish wear and chip resistance
- Acts as a cosmetic conditioning agent
Known concerns
- Subject to EU Annex III/201 restriction in nail products
- Cured polymer is inert but residual isocyanate monomers must be controlled
- Limited dermal-absorption data
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.