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Film Former

POLYBUTENE

CAS 9003-28-5 / 9003-29-6 Updated
75

Safety score · 0–100

Fine

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

About

Polybutene — a clear, sticky polymer used in lip gloss, liners, and makeup to add shine and cling. Non-reactive and well tolerated.

Function

BINDINGVISCOSITY CONTROLLING

Skin benefits

  • Adds tack and shine to lip products
  • Excellent spreadability
  • Non-reactive

Known concerns

  • Petroleum-derived polymer
  • Can feel heavy or occlusive
  • Environmental persistence

References

EU

EU CosIng database

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

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ADIPIC ACID/ISOPHTHALIC ACID/NEOPENTYL GLYCOL/TRIMETHYLOLPROPANE COPOLYMER
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AMMONIUM CASEINATE
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 — always read the physical product label and consult a healthcare professional for personal concerns.