Butylene/Ethylene Copolymer

AKA: Plastic polymer, Film-forming polymer
Synthetic
Not Clean
OriginProduced from petroleum-derived ethylene and butylene monomers through polymerization chemistry. Synthesized via catalytic polymerization to create a linear copolymer with controlled molecular weight.
Butene, polymer with ethene
CAS #
9019-29-8
Form
Liquid
State
Solid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Viscosity Controlling
Controls Viscosity
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
Leave-onNot reported
Rinse-off1.5%
0%50%100%
CIR reported use · 2013 survey
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR