Film Former
POLYUREA CROSSPOLYMER-5
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A highly crosslinked polyurea film former used for tough, scratch-resistant coatings in long-wear cosmetics and nail products. Cured polymer is inert; residual diisocyanate monomers remain the main flag.
Function
Skin benefits
- Forms tough, flexible films
- Excellent scratch resistance
- Long-wear durability
- Good adhesion for nail and skin coatings
Known concerns
- Trace residual diisocyanate possible
- Sensitisation risk if poorly purified
- Not biodegradable
- Limited cosmetic-specific safety publications
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.