Our Revlon ColorStay Eyeliners have a new, improved formula that glides on easily and stays where it should for up to 24 hours. Draw precise lines with the sharp pencil tip, or blend and diffuse eye makeup with the built-in smudger for a smoldering, smoky look. New improved formula stays where it's supposed to for up to 24 hours—plus, it's waterproofGet the drama and definition you've been craving from a pencil eyeliner with this lightweight formulaThere's a built-in sharpener on the opposite end, so you always get precise lines (great for cat eyes)Ophthalmologist-tested, because safety always mattersAvailable in eight intense shades