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Acrylates/Vinyl Isodecanoate Crosspolymer
AKA “Acrylic polymer, Crosslinked acrylic”
Ingredient
Ingredient Facts
Acrylates/vinyl isodecanoate crosspolymer
AKA: Acrylic polymer, Crosslinked acrylic
Ingredient · Emulsion Stabilising · EWG: 2
Synthetic
Occlusive
Emulsifier
Clean
Ethenyl isodecanoate, polymer with 2-methyl-2-propenoic acid, 2-propenoic acid or one or more of their simple esters, and polyalkenylpolyether
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.
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Viscosity Controlling
Stabilizes Emulsion
Creates Protective Barrier
Controls Viscosity
Creates protective layer
Keeps product blended
Controls product thickness
Traditional Use
A modern synthetic cross-linked polymer created for cosmetic stability and texture. Used in waterproof and long-wear makeup formulations.
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
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR