What it is: A waterproof eyeliner with a fine and flexible tip that draws a buildable line from the finest to the thickest.What it does: Infused with natural-origin charcoal, the formula delivers an intense matte finish for up to 24 hours. The line stays true and meets the challenges of the day. Its ultraprecise felt tip offers easy, buildable and smudge-free application for a tailor-made graphic result of varying intensity as desired. How to use: For best results from the very first application, shake your liner before use. Define the eyes with liner to desired look.