A 1.5mm ultra-skinny eyeliner that provides precision accuracy as well as ease of application. Smudgeproof - this long-wearing eyeliner provides high-intensity color in one accurate stroke. Oil- and water-resistant. This gel eyeliner glides on smoothly to provide a smooth application. How to use: Twist out the lead and draw from the head to end of the eyes effortlessly across the lash line.