Potassium Polyacrylate
AKA “Polyacrylic acid potassium salt, Potassium acrylate polymer
Synthetic
Ingredient Facts
Potassium polyacrylate
AKA: Polyacrylic acid potassium salt, Potassium acrylate polymer
Synthetic · Humectant · EWG: 4
Synthetic
Humectant
Occlusive
Skin Conditioner
Synthetic
Clean
Helps create the perfect texture by controlling how thick or thin the product feels, ensuring smooth, easy application every time.
CAS #
25608-12-2
Form
Powder
See origin →
Functions
Viscosity Controlling
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Humectant
A moisture magnet. Pulls water from the air and deeper skin layers up to the surface to keep skin plump and hydrated.
Moisturising
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
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR