Film Former
POLYURETHANE-39
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A polyurethane film-forming polymer used in long-wear makeup and sunscreens. Sits on skin to give a flexible film; large molecule, not absorbed. Environmental persistence is the main caveat.
Skin benefits
- Flexible film former for long-wear products
- Improves wear and water resistance
- Smooth skin feel
- Inert at cosmetic levels
Known concerns
- Synthetic polymer not biodegradable
- Limited public toxicology data on this exact polymer
- Not for use on broken skin
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related film formers
Check your shelf
Find POLYURETHANE-39 in your products.
Scan any cosmetic product with LuxSense to see if it contains POLYURETHANE-39 and get a full ingredient breakdown with safety scores.
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.