Acrylamide/Sodium Acryloyldimethyltaurate Copolymer
AKA “Acrylamide Copolymer
Ingredient
Ingredient Facts
Acrylamide/sodium acryloyldimethyltaurate copolymer
AKA: Acrylamide Copolymer
Ingredient · Emulsion Stabilising · EWG: 3
Synthetic
Emulsifier
Not Clean
2-Methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid monosodium salt polymer with 2-propenamide
CAS #
38193-60-1
State
Solid
See origin →
Functions
Emulsion Stabilising
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Viscosity Controlling
Stabilizes Emulsion
Controls Viscosity
Locks In Moisture
Keeps product blended
Controls product thickness
Traditional Use
Developed in the late 20th century as a synthetic polymer for cosmetic formulations. Used as a thickening and stabilizing agent in gels and lotions, with no traditional or historical use prior to modern cosmetic chemistry.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
EWG
3
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
Not a Sensitizer
ewg-3
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUpermitted
JAPANpermitted
CANADApermitted
Acrylamide/Sodium Acryloyldimethyltaurate Copolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
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Environmental Working Group (EWG)
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EWG Skin Deep Cosmetics Database
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Acrylates/Octylacrylamide Copolymer
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Sodium Acrylate/Sodium Acryloyldimethyl Taurate/Acrylamide Copolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Verified Jun 2026
Data: CosIng · EWG · CIR