What it is: A limited-edition liquid eyeliner that adds precision color definition to any look.What it does: From captivating dark green and grey to mesmerizing, shimmering graphite and garnet, Stila's limited-edition collection of metal liquid eyeliners adds precision color definition to any look. The ultrafine delicate felt-tip applicator lays down a superfine dose of pigment to allow for the most intricate graphic designs. The waterproof and transfer-proof formula glides on smoothly and dries quickly for smudge-resistant, all-day wear. How to use: Shake well before use. Sweep pen along lash line. Use the tip of the pen to create a thin, clean line. For a thick, bold line, position pen at an angle and apply with slightly more pressure. Build to intensify color. Store horizontally for best performance.