Skip to content

Film Former

BUTADIENE/ACRYLONITRILE COPOLYMER

CAS 9003-18-3 Updated
60

Safety score · 0–100

Fine

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

About

A nitrile rubber polymer used as a film former in cosmetics. Bulk polymer is inert, but residual butadiene (Group 1 carcinogen) and acrylonitrile (Group 2B) monomers make purity-grade controls critical.

Function

FILM FORMINGVISCOSITY CONTROLLING

Skin benefits

  • Forms durable elastic films
  • Improves wear time and water resistance
  • Modifies viscosity in formulations

Known concerns

  • Residual acrylonitrile is IARC Group 2B (possibly carcinogenic to humans)
  • Residual 1,3-butadiene is IARC Group 1 carcinogen
  • Polymer purity depends on manufacturer specs

References

EU

EU CosIng database

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

Related film formers

60
ACRYLATES/BEHENETH-25 METHACRYLATE/HEMA CROSSPOLYMER-2
Film Former
 60
ACRYLATES/TRIFLUOROPROPYLMETHACRYLATE/POLYTRIMETHYL SILOXYMETHACRYLATE COPOLYMER
Film Former
 60
BIS-(HEA POLYCAPROLACTONE) PEG-2/PPG-3/IPDI COPOLYMER
Film Former
 60
BIS-(HEMA/ETHYLHEXYL) POLY(1,4-BUTANEDIOL)-9/TMDI/IPDI COPOLYMER
Film Former
 60
BIS-(METHOXY PEG-9 CARBAMOYL) POLY-SMDI
Film Former
 60
BIS-HEA POLYDIETHYLENEGLYCOL ADIPATE/IPDI COPOLYMER
Film Former
 60
BIS-HEMA POLOXAMER 251/IPDI COPOLYMER
Film Former
 60
BIS-HEMA POLY(1,4-BUTANEDIOL)-9/IPDI COPOLYMER
Film Former

Check your shelf

Find BUTADIENE/ACRYLONITRILE COPOLYMER in your products.

Scan any cosmetic product with LuxSense to see if it contains BUTADIENE/ACRYLONITRILE 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 — always read the physical product label and consult a healthcare professional for personal concerns.