Potassium Polyacrylate

AKA “Polyacrylic acid potassium salt, Potassium acrylate polymer”

Ingredient

Ingredient Facts

Potassium polyacrylate

AKA: Polyacrylic acid potassium salt, Potassium acrylate polymer

Ingredient · Viscosity Controlling · EWG: 4

Synthetic

Not Clean

2-Propenoic acid, homopolymer, potassium salts

CAS #

25608-12-2

Form

Powder

See origin →

Functions

Viscosity Controlling

Controls Viscosity

Traditional Use

A synthetic polymer developed in the 20th century. Used in modern cosmetics as a thickening agent and film-former with no traditional use history.

Skin Types

●all-skin-types

Best For

General

Pregnancy & Breastfeeding Safe

Yes

EWG

CIR

Safe as used

Pregnancy

Yes

CIR Safety Findings

Not a Sensitizer

medical-approval

all-shades-safe

Regulatory Status

USA✔ permitted

EU⚠ restricted

JAPAN⚠ restricted

CANADA⚠ restricted

Regulatory Agencies

Verified Jun 2026

Data: CosIng · EWG · CIR