Film Former
TROMETHAMINE ACRYLATES/ACRYLONITROGENS COPOLYMER
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A tromethamine-neutralized copolymer derived from acrylonitrile-hydrolysis chemistry, used as a film former and viscosity controller. Cured polymer is well tolerated; residual acrylonitrile (IARC 2B) is the regulated concern.
Function
Skin benefits
- Film-forming and viscosity-controlling for emulsions
- Stabilises cosmetic creams
- Pre-neutralised with tromethamine for easy formulation
- High-MW polymer with low skin penetration
Known concerns
- Derived from acrylonitrile hydrolysis — residual acrylonitrile is IARC 2B
- Residual acrylate monomers possible (sensitizers)
- Microplastic environmental persistence
- Tromethamine can theoretically form nitrosamines
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.