Film Former
POLYUREA CROSSPOLYMER-3
Safety score · 0–100
Good
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A guanidine-HDI polyurea crosspolymer used for tough, durable nail and cosmetic films. Cured polymer is well-tolerated; residual HDI is the main flag but kept low by good manufacturing practice — lower green.
Function
Skin benefits
- Forms tough, durable films
- Good for nail products
- Long-wear performance
- Scratch and chip resistance
Known concerns
- Trace residual HDI possible — sensitiser
- 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.