Potassium Acrylates/C10-30 Alkyl Acrylate Crosspolymer

AKA: Crosslinked acrylic polymer, Thickening agent
Synthetic
Occlusive
Clean
OriginDerived from acrylic acid and C10-30 alkyl acrylate monomers, members of the synthetic polymer chemical family. Synthesized through free-radical polymerization of acrylate monomers with crosslinking agents, then neutralized with potassium hydroxide.
Potassium salt of acrylates/C10-30 alkyl acrylate crosspolymer
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.
Creates Protective Barrier
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed3 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-onNot reported
Rinse-off0.3%
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