VP/Vinyl Alcohol Copolymer

AKA: P(VA-co-Nvp), Vinylpyrrolidone vinyl alcohol, 1-vinyl pyrrolidone vinyl alcohol
Synthetic
Humectant
Occlusive
Not Clean
VP/Vinyl Alcohol Copolymer is the product formed by the polymerization and subsequent hydrolysis of vinylpyrrolidone and vinyl acetate.
Effective at 5.15%
Formula
C8H13NO2
Mol. Weight
155.19
CAS #
26008-54-8
Form
Liquid
State
Liquid
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Hair Fixing
Humectant
A moisture magnet. Pulls water from the air and deeper skin layers up to the surface to keep skin plump and hydrated.
Viscosity Controlling
Locks In Moisture
Traditional Use
Created as a synthetic polymer in the mid-20th century for cosmetic formulations. Used as a film-forming and stabilizing agent in hair care and skincare products.
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
⚖️Regulatory1 listing
🛡️Safety-assessed2 reviews
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR