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Behenyl Methacrylate/Perfluorooctylethyl Methacrylate Copolymer
AKA “Fluorinated behenyl methacrylate copolymer”
Synthetic
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Ingredient Facts
Behenyl methacrylate/perfluorooctylethyl methacrylate copolymer
AKA: Fluorinated behenyl methacrylate copolymer
Synthetic · Film Forming | Viscosity Controlling | Skin Conditioning - Emollient | Water-Resistant Agent · EWG: 4
Plant-Derived
Emollient
Occlusive
Skin Conditioner
Synthetic
Clean
Behenyl Methacrylate/Perfluorooctylethyl Methacrylate Copolymer is a copolymer of behenyl methacrylate and Perfluorooctylethyl Methacrylate monomers Science: Functions: Film Forming, Viscosity Controlling Safety Ratings: CIR: Safe as used
CAS #
92-44-4
Form
Liquid
Plant-Derived
Synthetic. Derived from behenyl alcohol and perfluorooctylethanol, combined with methacrylic acid or methacrylate esters as the chemical precursors. Synthesized through free-radical polymerization of behenyl methacrylate and perfluorooctylethyl methacrylate monomers.
Function
Film Forming | Viscosity Controlling | Skin Conditioning - Emollient | Water-Resistant Agent
Benefits
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
Target
General
Melanin-Rich Skin
Suitable
EWG Score4
CIR Safety Findings
medical-approval, all-shades-safe, Potential Sensitizer
Regulatory Status
USAunder review
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Feb 2026
Data: CosIng · EWG · CIR