Eylure Line & Lash Adhesive Eyeliner is a brilliant felt tip eyeliner pen that lays down a super precise line of adhesive that makes lash application as easy as applying your everyday eyeliner. Say goodbye to the messy, sticky glues and hello to fuss free lash application. Since it works with any faux lash, you're free to choose your own style. The Eylure Line & Lash in Black doubles up as a smudge proof liquid eyeliner for an all-day lash look, you'll love. It gives you perfect lashes with every line!