Po
Polyvinylpyrrolidone (PVP)
PVP · Polyvinylpyrrolidone
A water-soluble polymer — dries to a clear film, keeps pigments suspended, and helps set a product in place.
The evidence, graded
expert consensusUS safety reviewers (2024) assessed 30 vinylpyrrolidone (VP) polymers, most of which products use to form a film. They judged 27 of them safe as used, PVP, triacontanyl PVP and hydrolyzed wheat protein/PVP crosspolymer among them; for the other 3, all urethanes, the data were too thin to judge.Johnson 2024 · International Journal of Toxicology ↗
Graded per the methodology: strong · moderate · emerging · expert consensus. A weak source on a strong claim gets the weaker label.
Browse all 1238 ingredients — grouped by what they do, each with whatever evidence we can cite.
This page is public so a shared ingredient card always has its sources behind it — and so you can check them without an account.
Want more like this?
Every evidence-based flag cites its source, Drop tells you when your routine is complete, and it helps you simplify — instead of selling you more. The app launches on iOS and Android in October 2026. Rate my routine works today at /rate — no sign-in.