Film Former
POLYIMIDE-1
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
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
Check your shelf
Find POLYIMIDE-1 in your products.
Scan any cosmetic product with LuxSense to see if it contains POLYIMIDE-1 and get a full ingredient breakdown with safety scores.
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.