Ethylene/Methacrylate Copolymer
AKA “Ethylene methacrylate copolymer
Ingredient
Ingredient Facts
Ethylene/methacrylate copolymer
AKA: Ethylene methacrylate copolymer
Ingredient · Film Forming · EWG: 2
Synthetic
Occlusive
Clean
Ethylene/Methacrylate Copolymer is a copolymer of ethylene and methyl methacrylate monomers
Form
Liquid
State
Solid
See origin →
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Creates Protective Barrier
Traditional Use
A synthetic polymer created in mid-20th century industrial chemistry. Applied in cosmetics as a film-former and adhesive in nail products and styling formulations.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
2
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR