Film Former
POLYURETHANE-58
Safety score · 0–100
Good
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A water-dispersible polyurethane that forms a flexible, water-resistant film on skin. Common in long-wear and SPF formulas — generally well-tolerated with no documented skin concerns at cosmetic levels.
Function
Skin benefits
- Forms flexible water-resistant films
- Helps SPF and makeup wear longer
- Inert at cosmetic doses
- Compatible with most actives
Known concerns
- Synthetic polymer not readily biodegradable
- Quality depends on residual isocyanate purity
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, so always read the physical product label and consult a healthcare professional for personal concerns.