Ethoxyethyl Methacrylate
AKA “
2-Ethoxyethyl methacrylate, 2-Propenoic acid, 2-ethoxyethyl ester, 2-ethoxyethyl 2-methylprop-2-enoate, Methacrylic acid, ETHOXYETHYLMETHACRYLATE
”
Synthetic
🦆
❤️
👻
Ingredient Facts
Ethoxyethyl methacrylate
AKA: 2-Ethoxyethyl methacrylate, 2-Propenoic acid, 2-ethoxyethyl ester, 2-ethoxyethyl 2-methylprop-2-enoate, Methacrylic acid, ETHOXYETHYLMETHACRYLATE
Synthetic · Emollient · EWG: 4
WHAT IS IT?
Synthetic
Emollient
Occlusive
Skin Conditioner
Synthetic
Clean
Creates a lightweight, flexible coating on skin or hair that helps products stay in place and maintain their appearance throughout the day.
Formula
C8H14O3
Mol. Weight
158.19
CAS #
51289-08-8
Form
Powder
State
Liquid
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
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Smoothing
Creates Protective Barrier
Skin Types
●
all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
IS IT SAFE?
EWG
4
CIR
Insufficient
Pregnancy
—
CIR Safety Findings
Not a Sensitizer
all-shades-safe
Regulatory Status
USA
under review
EU
⚠ restricted
JAPAN
⚠ restricted
CANADA
⚠ restricted
Regulatory Agencies
EWG
CIR
FDA
EU COSING
Health Canada
WHAT'S THE PROOF?
Final Report on the Safety Assessment of Methacrylic Acid
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
→
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR