Acrylates/Stearyl Methacrylate Copolymer
AKA “Acrylic polymer, Film former
Ingredient
Ingredient Facts
Acrylates/stearyl methacrylate copolymer
AKA: Acrylic polymer, Film former
Ingredient · Emulsion Stabilising · EWG: 2
Plant-Derived
Emulsifier
Clean
Copolymer formed from stearyl 2-methylpropenoate and one or more monomers of acrylic acid, methacrylic acid or one of their simple esters
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
Anti-Aging Benefits
Antioxidant Protection
Keeps product blended
Controls product thickness
Traditional Use
A synthetic copolymer created for cosmetic applications to provide emulsifying and suspending properties. Used in the formulation of creams, lotions, and makeup products.
Skin Types
all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
2
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
ewg-2
medical-approval
pregnancy-nursing-safe
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR