Methoxy PEG-23 Methacrylate/Glyceryl Diisostearate Methacrylate Copolymer
AKA “Film-forming copolymer
Synthetic
Ingredient Facts
Methoxy peg-23 methacrylate/glyceryl diisostearate methacrylate copolymer
AKA: Film-forming copolymer
Synthetic · Film Forming · EWG: 4
Plant-Derived Synthetic
Occlusive
Skin Conditioner
Barrier Support
Synthetic
Clean
Methoxy PEG-23 Methacrylate/Glyceryl Diisostearate Methacrylate Copolymer is a copolymer of methoxy PEG-23 methacrylate and glyceryl diisostearate methacrylate monomers. Science: Origin: Botanic/Natural | Functions: Skin Protecting Safety Ratings: CIR: Safe as used
CAS #
137455-77-7
Form
Liquid
See origin →
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Skin Protecting
Helps rebuild and strengthen your skin barrier — the invisible shield that keeps moisture in and irritants out. Essential after over-exfoliating or harsh weather.
Occlusive
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Smoothing
Nourishes & Protects
Traditional Use
A modern synthetic polymer used in cosmetics since the late 20th century. Designed to provide film-forming, emollient, and texture-enhancing properties in skincare products.
Skin Types
all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Insufficient
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USAunder review
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR