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
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 →
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
EWG
4
CIR
Safe as used
Pregnancy
CIR Safety Findings
medical-approval
all-shades-safe
Potential Sensitizer
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR