Vinyl Pyrrolidone Copolymer is a synthetic polymer used in cosmetics and skincare to form a thin, flexible film on the skin and hair, providing hold, water resistance, and improved product spreadability. It is commonly found in styling products, sunscreens, and long-wear formulations.
| Reported effect | How often | Notes |
|---|---|---|
Skin irritation | Rare | Mild redness or stinging occasionally reported, often related to other formulation components. |
Allergic contact dermatitis | Very rare | Isolated case reports; the polymer is generally considered low-sensitizing. |
Eye irritation | Uncommon | Can occur with sprays or products that inadvertently reach the eyes. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.