Sodium Styrene/Acrylates/Ethylhexyl Acrylate/Lauryl Acrylate Copolymer
AKA “Acrylic Copolymer, Polymer Thickener
Synthetic
Ingredient Facts
Sodium styrene/acrylates/ethylhexyl acrylate/lauryl acrylate copolymer
AKA: Acrylic Copolymer, Polymer Thickener
Synthetic · Film Forming · EWG: 4
Synthetic
Occlusive
Synthetic
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 Science: Functions: Film Forming Safety Ratings: CIR: Safe as used
Form
Liquid
State
Solid
See origin →
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Viscosity Controlling
Suspension Agent
Stabilising
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.
Skin Types
all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR