Film Former
POLYESTER-39
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A condensation polyester ending in a benzotriazole-PEG-6 sesquiester, designed as a film-forming sunscreen helper. Polymeric size limits absorption; environmental persistence is the primary caveat.
Function
Skin benefits
- Film-forming polymer for sun-care
- Includes built-in UV-stabilizing benzotriazole moiety
- High-MW reduces skin absorption
Known concerns
- Benzotriazole UV stabilizers are persistent in environment
- Limited specific human safety data
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.