The Aesthetica Felt Tip Waterproof Liquid Eyeliner Pen is a high-impact liquid pigment that expertly defines eyes with a long-lasting finish. It glides on easily and stays on for hours and won't smudge, fade, melt or crack. Step-by-step instructions will help you guide the flexible, superfine felt tip for precise results. The quick-drying, waterproof formula is ideal for day-to-night wear.