What it is: A waterproof liquid eyeliner. What it does: Rich in polymers, this superior eyeliner offers an impeccable hold that guarantees water-, tear-, and smudge-proof color. Its ergonomic, foam-tip applicator is designed to resemble a makeup brush handle for the quickest, easiest, and most accurate application. What else you need to know: This product is fragrance free and ophthalmologist tested. Sephora is the exclusive beauty retailer for this product.