Film Former
POLYESTER-31
Safety score · 0–100
Good
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A high-molecular-weight polyester polymer that forms protective films and binds ingredients. Too large to penetrate skin, low irritation risk; main caveat is environmental persistence under microplastic scrutiny.
Function
Skin benefits
- Forms durable cosmetic film
- Improves wear and texture
- Non-irritating to skin
Known concerns
- Environmental persistence under EU microplastic review
- Limited biodegradability
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.