Acrylates/Stearyl Methacrylate/VP Copolymer

AKA: Acrylic polymer, Film former
Plant-Derived
Occlusive
Emulsifier
Not Clean
Acrylates/Stearyl Methacrylate/VP Copolymer is a copolymer of vinylpyrrolidone, stearyl methacrylate, and one or more monomers of acrylic acid, methacrylic acid or one of their simple esters.
Effective at 5.15%
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.
Hair Fixing
Viscosity Controlling
Stabilizes Emulsion
Creates Protective Barrier
Controls Viscosity
Locks In Moisture
Anti-Aging Benefits
Antioxidant Protection
Creates protective layer
Holds hair in place
Keeps product blended
Controls product thickness
Traditional Use
A modern synthetic terpolymer developed for cosmetics to provide film-forming and emulsifying properties. Used in products requiring both hold and moisturizing benefits.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
3.0%
7.3%
0%10%
Reported use
CIR reported use: 3-7.3
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory0 listings
🛡️Safety-assessed2 reviews
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR