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Behenyl Methacrylate/Perfluorooctylethyl Methacrylate Copolymer
AKA “
Fluorinated behenyl methacrylate copolymer
”
Ingredient
🦆
❤️
👻
Ingredient Facts
Behenyl methacrylate/perfluorooctylethyl methacrylate copolymer
AKA: Fluorinated behenyl methacrylate copolymer
Ingredient · Film Forming · EWG: 4
WHAT IS IT?
Synthetic
Occlusive
Not Clean
Behenyl Methacrylate/Perfluorooctylethyl Methacrylate Copolymer is a copolymer of behenyl methacrylate and Perfluorooctylethyl Methacrylate monomers
CAS #
92-44-4
Form
Liquid
State
Solid
See origin →
WHAT'S IT DO?
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
Traditional Use
A highly specialized synthetic polymer developed in late 20th-century cosmetics to create water- and oil-repellent coatings on skin and hair.
Skin Types
●
all-skin-types
Best For
General
IS IT SAFE?
EWG
4
CIR
Safe as used
Pregnancy
—
Restricted By
Credo Beauty
Sephora Clean at Sephora
Target Clean
Ulta Conscious Beauty
MADE SAFE
EWG VERIFIED
CIR Safety Findings
medical-approval
all-shades-safe
Potential Sensitizer
Regulatory Status
USA
✔ permitted
EU
⚠ restricted
JAPAN
⚠ restricted
CANADA
⚠ restricted
Regulatory Agencies
EWG
CIR
FDA
EU COSING
Health Canada
WHAT'S THE PROOF?
Behenyl Methacrylate/Perfluorooctylethyl Methacrylate Copolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Verified Jun 2026
Data: CosIng · EWG · CIR