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Film Former

AMMONIUM VA/CROTONIC ACID COPOLYMER

78

Safety score · 0–100

Fine

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

A film-forming copolymer of vinyl acetate and crotonic acid (in ammonium salt form) used in hair styling for flexible, wash-resistant hold. Cured polymer is inert; trace monomer residues warrant yellow tier.

Function

FILM FORMING

Skin benefits

  • Forms flexible, wash-resistant film
  • Used in hair styling
  • Stable across formulations
  • Provides medium hold

Known concerns

  • Synthetic polymer with limited biodegradability
  • Possible trace residual monomers
  • Crotonic acid monomer toxicology limited

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

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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.