Sodium Acrylates Copolymer

AKA: Acrylates copolymer sodium salt, Sodium polyacrylate
Synthetic
Occlusive
Clean
OriginDerived from acrylic acid and methacrylic acid or their simple esters, belonging to the acrylic polymer chemical family. Synthesized through free-radical polymerization of acrylic monomers, then neutralized with sodium hydroxide to form the sodium salt.
Sodium Acrylates Copolymer is the sodium salt of a polymer consisting of acrylic acid, methacrylic acid or one of their simple esters
CAS #
-
Form
Liquid
State
Solid
Skin Types
●all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Binding
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Opacifying
Viscosity Controlling
Anti-Inflammatory
Antimicrobial
Fights Acne
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed4 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
2
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
Leave-on0.005–18%
Rinse-offNot reported
0%50%100%
CIR reported use · 2018 survey
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR