murphyEthylene/Octene Copolymer
molecular structure · PubChem
AKA: EOC, Polyethylene octene copolymer
Synthetic
Occlusive
Clean
OriginEthylene and 1-octene monomers, derived from petroleum-based hydrocarbons, form the chemical starting materials. Synthesized through catalytic polymerization, the two monomers are chemically bonded to create the copolymer chain.
Copolymer of ethylene and 1-octene monomers
Form
Liquid
State
Solid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Viscosity Controlling
Creates Protective Barrier
Controls Viscosity
Creates protective layer
Controls product thickness
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
3 studies / 3 not sensitizing (CIR 687)
Mixed Skin Irritation Results
2 studies / 1 irritating / 1 not irritating / reactions minimal to slight (CIR 687)
Eye Irritant in Testing
1 study / 1 irritating / reactions minimal to slight (CIR 687)
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2020
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR