Potassium Aluminum Polyacrylate
AKA “Absorbent polymer
Ingredient
Ingredient Facts
Potassium aluminum polyacrylate
AKA: Absorbent polymer
Ingredient · Absorbent · EWG: 4
Synthetic
Not Clean
2-Propenoic acid, homopolymer, aluminum potassium salt
CAS #
67785-56-2
Form
Powder
See origin →
Functions
Absorbent
Viscosity Controlling
Absorbs Excess Oil
Controls Viscosity
Controls product thickness
Traditional Use
A synthetic superabsorbent polymer developed in the mid-20th century for industrial and cosmetic applications. Created to replace natural absorbents in modern skincare formulations with superior water-binding capacity.
Skin Types
all-skin-types
Best For
Oiliness
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR