Thickener
BIS-HEMA PPG-26/IPDI COPOLYMER
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A polyurethane-acrylate hybrid polymer used in nail products and coatings — ensure full cure to avoid acrylate sensitization.
Bis-HEMA PPG-26/IPDI Copolymer is a polyurethane copolymer of PPG-26 (polypropylene glycol) and isophorone diisocyanate (IPDI), end-capped with HEMA (2-hydroxyethyl methacrylate). PubChem safety score of 78. Used as a binding agent in nail cosmetics and coatings. The HEMA end-cap enables UV curing. Uncured HEMA is a well-known contact allergen in nail technicians. No GHS hazards or EU restrictions for the copolymer, but proper curing is essential to minimize free HEMA monomer exposure.
Function
Known concerns
- HEMA monomer is a known contact allergen
- Requires complete UV curing
- Occupational risk for nail technicians
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
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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.