NYX Professional Epic Ink Liner. New in Box. NWT. Shade: Black Waterproof Full Size NYX Best Seller! Featuring a slender and supple felt brush tip, this intensely pigmented, waterproof eyeliner pen lets you achieve precise, seamless, black liquid lines effortlessly. Every stroke is unbelievably fluid and controlled for a defined finish. Control the thickness of your lines by pressing down just a touch. Fine and natural to broad and bold - the eyeliner look is always up to you!