Film Former
BIS-HEMA POLY(GLYCOL/TMP ADIPATE)/IPDI COPOLYMER
Safety score · 0–100
Good
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A urethane copolymer film-former used in nail and cosmetic coatings; formed from HEMA, isophorone diisocyanate, and a glycol/adipate polyester.
A urethane polymer formed by reacting a Glycol/Trimethylolpropane/Adipic Acid polyester with Isophorone Diisocyanate (IPDI), end-capped with HEMA. The resulting high-molecular-weight copolymer does not penetrate skin due to its large molecular size. Not listed in EU Annex II or III restrictions. HEMA-based polymers are widely used in nail gels and are considered safe in cosmetic films when properly cured. PubChem safety score: 78.
Function
Skin benefits
- Film forming
Known concerns
- Residual monomer trace possible with incomplete curing
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.