Sodium Styrene/Acrylates/Ethylhexyl Acrylate/Lauryl Acrylate Copolymer
molecular structure · PubChem
AKA: Acrylic Copolymer, Polymer Thickener
Synthetic
Occlusive
Not Clean
Ethenylbenzene, polymer with 2-ethylhexyl 2-propenoate, dodecyl 2-propenoate, and one or more of 2-propenoic acid, 2-methyl-2-propenoic acid or one of their simple esters, sodium salts
Form
Liquid
State
Solid
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Anti-Inflammatory
Antimicrobial
Fights Acne
Creates protective layer
Traditional Use
Complex synthetic polymer created in the late 20th century through polymerization of multiple monomers. Developed as a multi-functional film-former and suspending agent for modern cosmetic formulations.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Restricted By
CIR Safety Findings
medical-approval
all-shades-safe
Regulatory Agencies
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR