Film Former
POLYURETHANE-84
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
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
Check your shelf
Find POLYURETHANE-84 in your products.
Scan any cosmetic product with LuxSense to see if it contains POLYURETHANE-84 and get a full ingredient breakdown with safety scores.
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.