A bold, precise sweep of the blackest black, this new waterproof liquid liner is, in a word,perfection. What it is: Kevyn Aucoin Precision Liquid Liner is a felt tip waterproof eyeliner that delivers silky carbon black color onto your eyes without skipping or smudging. The ultra-fine applicator gives you the ability to achieve a natural look to the most dramatic of cat eyes. The ergo-dynamic grip allows for ultimate control for precise application. Why we love it: Waterproof. Quick-drying. Dermatologically approved. Lasts all day (up to 10 hours). Comes off easily with normal facial cleanser.