Water-resistant DHC liquid eyeliner ex brush-tip eyeliner pen lets you line and define like an expert. Easy-to-use, it dispenses just the right amount of smudge-proof liner to create any look, from elegant definition to cat-eye boldness. How to use: draw a line along the edge of your eyelid. At first use, shake gently or press the pen tip to the back of your hand to encourage flow.