Expertly define your eyes with the benefit Roller Liner; a matte liquid formula to accentuate and enhance with long-wearing results that last up to 24 hours**. Featuring a precision felt tip for mistake-free application, the quick-drying, waterproof* eyeliner glides on effortlessly in one easy sweep to create smooth, continuous lines for a makeup look as dramatic as desired. Achieve a professional cat eye, or draw thin to thick lines with ultimate control. No smudging, flaking or fading.*Instrumental test on 21 women.**Instrumental test on 20 women.