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Butylene/Ethylene/Propylene Copolymer
AKA “Plastic polymer, Elastomeric copolymer”
Ingredient
Ingredient Facts
Butylene/ethylene/propylene copolymer
AKA: Plastic polymer, Elastomeric copolymer
Ingredient · Film Forming · EWG: 1
Synthetic
Occlusive
Clean
Butylene/Ethylene/Propylene Copolymer is a copolymer of butylene, ethylene and propylene 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
Synthetic polymer created for modern cosmetic use. Provides film-forming and conditioning properties in skincare and color cosmetic products.
Skin Types
●all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
ewg-1
medical-approval
pregnancy-nursing-safe
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR