Film Former
BIS-HEMA PPG-12/HDI COPOLYMER
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A HEMA-based urethane copolymer for UV-cured nail and gel systems. Cured polymer is inert; uncured HEMA is an EU-restricted contact sensitizer.
Function
Skin benefits
- Urethane methacrylate (HEMA) copolymer film former
- Used in UV-cured nail and adhesive systems
- Provides flexibility and adhesion
Known concerns
- HEMA is an EU-restricted nail-cosmetic methacrylate (max 35% in nail products)
- Residual HEMA monomer is a contact sensitizer
- HDI residue concern
- Inappropriate for leave-on skin products
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.