Waterproof felt-tip liquid eyeliner pen. Achieve an epic eye look with this waterproof liquid eyeliner created for epic precision, epic wear, and unlimited epic artistry! Epic Ink Waterproof Liquid Liner is our #1 brush tip liquid eyeliner for ultra-precise, waterproof lines. 1-stroke intense pigment glides on easily for saturated lines that last. This liquid eyeliner pen’s slender, flexible brush tip easily allows you to create thin or thick lines. Whether you prefer barely-there liner or live for a classic cat eye, this long-lasting waterproof liquid eyeliner delivers epic results.