Butyl Acrylate/Hydroxyethyl Methacrylate Copolymer

Butyl Acrylate/Hydroxyethyl Methacrylate Copolymer molecular structure
molecular structure · PubChem
AKA: Acrylic Copolymer
Synthetic
Occlusive
Not Clean
OriginDerived from acrylic and methacrylic monomers, both petroleum-based synthetic compounds in the acrylate chemical family. Synthesized through free-radical polymerization of butyl acrylate and hydroxyethyl methacrylate monomers to form a copolymer chain.
2-Propenoic acid, 2-methyl-, 2-hydroxyethyl ester, polymer with butyl 2-propenoate
CAS #
30600-43-2
Form
Liquid
State
Solid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Anti-Inflammatory
Boosts Collagen
Wound Healing
Creates protective layer
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2018
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR