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Film-forming polyurethane polymer

PPG-26/HDI COPOLYMER

70

Safety score · 0–100

Fine

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

A polyurethane-type film former built from polypropylene glycol and HDI. It improves product longevity on hair or skin and is considered low-risk in finished cosmetics when properly purified.

Function

FILM FORMING, PLASTICISER

Skin benefits

  • Film-forming polymer used to improve product wear and gloss
  • Adds slip and conditioning to hair and skin formulations
  • Stable across a wide pH range
  • Large molecular weight limits skin penetration

Known concerns

  • Residual unreacted HDI monomer would be a respiratory and skin sensitizer if present
  • Specific public safety dossier for this polymer is limited
  • Synthetic polymer with environmental persistence considerations

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.