Skip to content

Film Former

BUTENE/ISOBUTENE COPOLYMER

CAS 9044-17-1
80

Safety score · 0–100

Good

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

A simple hydrocarbon polymer of butene and isobutene that forms a light, non-greasy protective film on skin and hair. Saturated and chemically inert, with a long history of safe cosmetic use; petroleum sourcing is the main sustainability caveat.

Function

BINDINGHUMECTANTVISCOSITY CONTROLLING

Skin benefits

  • Inert hydrocarbon polymer
  • Creates non-greasy protective film
  • Stable across temperature ranges

Known concerns

  • Petroleum-derived (sustainability/sourcing question)
  • Not biodegradable
  • Possible trace volatile residuals at low MW

References

EU

EU CosIng database

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

Related film formers

80
ACRYLATES/BEHENETH-25 METHACRYLATE/STEARETH-30 METHACRYLATE COPOLYMER
Film Former
 80
ACRYLATES/BEHENYL ACRYLATE/DIMETHICONE METHACRYLATE COPOLYMER
Film Former
 80
ACRYLATES/BIS-HYDROXYPROPYL DIMETHICONE CROSSPOLYMER
Film Former
 80
ACRYLATES/C12-22 ALKYL METHACRYLATE COPOLYMER
Film Former
 80
ACRYLATES/LAURYL METHACRYLATE COPOLYMER
Film Former
 80
ACRYLATES/PROPYL TRIMETHICONE METHACRYLATE COPOLYMER
Film Former
 80
ACRYLATES/STEARETH-50 ACRYLATE COPOLYMER
Film Former
 80
ACRYLATES/STEARYL ACRYLATE/DIMETHICONE METHACRYLATE COPOLYMER
Film Former

Check your shelf

Find BUTENE/ISOBUTENE COPOLYMER in your products.

Scan any cosmetic product with LuxSense to see if it contains BUTENE/ISOBUTENE COPOLYMER and get a full ingredient breakdown with safety scores.

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.