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Ingredient Facts
Acrylic acid/stearyl acrylate copolymer
AKA: Acrylic polymer, Thickener
Acid · Emulsion Stabilising · EWG: 4
Plant-Derived
Occlusive
Emulsifier
Acid
Not Clean
2-Propenoic Acid, Polymer with Octadecyl 2-Propenoate
CAS #
36120-03-3
See origin →
Functions
Emulsion Stabilising
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Stabilizes Emulsion
Creates Protective Barrier
Fights Bacteria
Locks In Moisture
Creates protective layer
Keeps product blended
Traditional Use
A synthetic polymer created for cosmetic use to provide thickening and emulsifying properties. Used in cream and lotion formulations as an alternative to traditional natural thickeners.