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Thickener

PIPERYLENE/BUTENE/PENTENE COPOLYMER

CAS 221215-60-7
72

Safety score · 0–100

Fine

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

A hydrocarbon copolymer built from piperylene (1,3-pentadiene), butene, and pentene — used to thicken and form films. Largely inert in bulk, but limited public toxicology data anchors this to a cautious Fine tier.

Function

BINDINGFILM FORMINGVISCOSITY CONTROLLING

Skin benefits

  • Provides viscosity control and flexibility
  • Forms durable hydrocarbon films
  • Improves wear time in cosmetic coatings

Known concerns

  • Residual diene monomers (piperylene) of unknown purity
  • Inadequate toxicology data specific to this INCI
  • Hydrocarbon polymers can carry process-related impurities

References

EU

EU CosIng database

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

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Same plant / compound family

62
PIPERYLENE/BUTENE/PENTENE/PENTADIENE COPOLYMER
Film Former

Check your shelf

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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.