murphyAcrylates/Vinyl Isodecanoate Crosspolymer
AKA: Acrylic polymer, Crosslinked acrylic
Synthetic
Occlusive
Emulsifier
Clean
OriginSynthesized from acrylic monomers and vinyl isodecanoate, belonging to the acrylate polymer chemical family. Produced through free radical polymerization of the monomers to form a cross-linked polymer network.
Ethenyl isodecanoate, polymer with 2-methyl-2-propenoic acid, 2-propenoic acid or one or more of their simple esters, and polyalkenylpolyether
State
Solid
Skin Types
●all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed4 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
2
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not an Eye Irritant
2 studies / 2 not irritating (CIR 583 and 763)
Not a Skin Irritant
2 studies / 2 not irritating (CIR 583)
Not a Sensitizer
1 study / 1 not sensitizing (CIR 583)
Concentration Guide
Leave-on0.25–0.4%
Rinse-off0.2%
0%50%100%
CIR reported use · 2018 survey
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR