Ammonium Acryloyldimethyltaurate/Steareth-8 Methacrylate Copolymer
molecular structure · PubChem
AKA: Acrylic Polymer, Thickening Polymer
Plant-Derived
Emulsifier
Not Clean
Ammonium Acryloyldimethyltaurate/Steareth-8 Methacrylate Copolymer is a copolymer of ammonium acryloyldimethyltaurate and steareth-8 methacrylate monomers
CAS #
-
Form
Powder
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
Reduces Inflammation
Locks In Moisture
Keeps product blended
Controls product thickness
Traditional Use
A synthetic copolymer created for modern cosmetics as a thickening and stabilizing agent. Developed in the late 20th century with no historical or traditional applications.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Agencies
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR