Film Former
POLYURETHANE-25
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A high-molecular-weight polyurethane polymer used as a film-former in long-wear makeup. Polymer films of this size do not absorb into skin. Generally considered safe at cosmetic levels.
Function
Skin benefits
- Film-former for long-wear cosmetics
- Water-resistant film
- Improves wear of mascara/foundation
Known concerns
- High-MW polymer — minimal absorption
- Possible residual monomers
- Limited public toxicology specific to PU-25
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.