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Film Former

CAPROLACTONE/PYRROLIDONE COPOLYMER

CAS 25101-88-6 Updated
80

Safety score · 0–100

Good

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

About

A film-forming copolymer (CAS 25101-88-6) combining caprolactone and pyrrolidone units, used to improve texture, adhesion and long-wear performance in cosmetic formulations. Cured polymer is well tolerated topically.

Skin benefits

  • Effective film former for long-wear formulations
  • Improves texture and adhesion
  • Stable, non-reactive polymer in finished products
  • Low dermal absorption

Known concerns

  • Residual monomer purity must be controlled
  • Microplastic-style polymer with environmental persistence concerns

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.