Film Former
AMMONIUM STYRENE/MA COPOLYMER ETHANOLAMIDE
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A styrene/maleic anhydride copolymer with an ammonium-ethanolamide finish. Used for film hold; residual anhydride and ethanolamide chemistry need supplier control.
Skin benefits
- Film former for hair styling and nail products
- Provides hold and water resistance
- Anionic dispersibility from ammonium-MA half-ester
Known concerns
- Maleic anhydride moiety classified as skin/eye irritant (Cat 2)
- Ethanolamide side chain — potential nitrosamine concern
- Inhalation hazard in spray formats
- Limited CIR/SCCS dossier for this specific copolymer
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.