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Film Former

PHTHALIC ANHYDRIDE/BENZOIC ACID/GLYCERIN COPOLYMER

Updated
65

Safety score · 0–100

Fine

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

About

A phthalic-anhydride / benzoic-acid / glycerin polyester resin — common nail-polish and lipstick film former. Cured resin is inert, but residual phthalic anhydride is a respiratory sensitizer and grade purity matters.

Function

FILM FORMING

Skin benefits

  • Adhesive resin and gloss-boosting film former
  • Used in nail polishes and lipsticks
  • Flexible film

Known concerns

  • Phthalic anhydride monomer is GHS skin/respiratory sensitizer
  • Residual monomer must be controlled
  • Microplastic concerns
  • Adjacent to phthalate-ester family — frequently confused but distinct chemistry

References

EU

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.