Polyhydroxyethylmethacrylate
AKA “
PHEMA, poly(2-hydroxyethyl methacrylate)
”
Ingredient
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❤️
👻
Ingredient Facts
Polyhydroxyethylmethacrylate
AKA: PHEMA, Poly(2-hydroxyethyl methacrylate)
Ingredient · Binding · EWG: 4
WHAT IS IT?
Synthetic
Not Clean
Homopolymer of hydroxyethyl methacrylate
CAS #
25249-16-5
Form
Powder
See origin →
WHAT'S IT DO?
Functions
Binding
Holds Formula Together
Holds ingredients together
Traditional Use
Developed in the mid-20th century as a synthetic polymer. Used in cosmetics as a film-former and thickener, originally derived from polymer chemistry research in the plastics industry.
Skin Types
●
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
IS IT SAFE?
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USA
✔ permitted
EU
⚠ restricted
JAPAN
⚠ restricted
CANADA
⚠ restricted
Regulatory Agencies
EWG
CIR
FDA
EU COSING
Health Canada
WHAT'S THE PROOF?
Polyhydroxyethylmethacrylate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Verified Jun 2026
Data: CosIng · EWG · CIR