Ingredient dictionary

VP/Eicosene Copolymer

Also listed as: VP/Hexadecene Copolymer, VP/VA Copolymer

A film-forming polymer built from vinylpyrrolidone and a long hydrocarbon chain. It leaves a flexible, smooth layer that helps hold products in place. It is on the label of 58 products in our library. Checked against our library November 6, 2026.

What VP/Eicosene Copolymer does

Forms a flexible film on skin or hair
Helps mascara stay put
Adds gloss and a smooth feel
Can add some water resistance

VP/Eicosene Copolymer is made by linking two building blocks into one long molecule. One is vinylpyrrolidone, a water-loving piece. The other is eicosene, a 20-carbon chain that mixes well with oils and waxes. That mix gives the polymer both water and oil compatibility, which is why it blends into many formulas.

Formulators use it because it dries into a thin, flexible film. That film can help a product hold its shape, add shine, and resist some water or sweat. In mascara it helps lashes look defined and stay put. In moisturizers and sunscreens it can give a smoother, lighter feel on the skin.

Good for

Suits anyone who wants makeup, sunscreen, or hair products that stay in place through a long day.

Frequently asked questions

Is VP/Eicosene Copolymer safe for skin?

It is generally well tolerated and is used in many leave-on and rinse-off products. Like any cosmetic ingredient, a person with very sensitive skin may react, so a patch test on a small area is a sensible step. Stop using a product that stings or causes redness.

Does VP/Eicosene Copolymer make products waterproof?

Not fully. It can help a product resist water, sweat, and rubbing, but no film is truly waterproof. Long wear depends on the whole formula, how you apply it, and how you remove it.