Film Former
GLYCERYL PPG-16/SMDI HEA/HYDROXYISOPROPYL METHACRYLATE
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A urethane-based film-forming polymer that creates a durable, flexible barrier on skin and hair when used in cosmetic formulations.
This polymer is produced by reacting PPG-16 Glyceryl Ether with excess saturated methylene diphenyldiisocyanate (SMDI), then capping with hydroxyethyl acrylate (HEA) and hydroxyisopropyl methacrylic acid. The残留 isocyanate content is the primary safety concern; completely reacted polymers are considered safe under EU cosmetics law. However, unreacted isocyanates are skin sensitizers (EU Annex III, Directive 2001/59/EC). The ingredient is not banned but requires careful quality control to ensure complete reaction.
Function
Skin benefits
- Durable film formation
- Water-resistant barrier on skin and hair
Known concerns
- Residual isocyanate skin sensitization risk if poorly manufactured
- Potential respiratory irritation during aerosol application
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.