Styrene/VP Copolymer

Styrene/VP Copolymer molecular structure
molecular structure · PubChem
AKA: Styrene-Vinyl Pyrrolidone Copolymer
Synthetic
Occlusive
Not Clean
OriginStyrene and vinyl pyrrolidone (VP) are synthetic monomers derived from petrochemical sources. They are polymerized together through free-radical polymerization to form the copolymer.
2-Pyrrolidinone, 1-ethenyl-, polymer with ethenylbenzene
CAS #
25086-29-7
Form
Liquid
State
Solid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Opacifying
Creates Protective Barrier
Adds Opacity
Locks In Moisture
Anti-Aging Benefits
Antioxidant Protection
Creates protective layer
Creates creamy opacity
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed3 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2024
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR