Film Former
POLYIMIDE-1
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A polyimide film former used in mascaras and eyeliners for length and longevity. Sits on lashes, not absorbed. Few documented skin concerns; environmental persistence is the main caveat.
Skin benefits
- Long-wear film former
- Boosts mascara and eyeliner staying power
- Forms flexible water-resistant film
- Lash and brow conditioning
Known concerns
- Synthetic polymer with limited public toxicology
- Not biodegradable
- May flake on removal
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.