What it is: A long-wearing, waterproof mascara that defines, curls, and lengthens lashes without smudging, clumping, or flaking. What it does: This buildable formula creates great looks, from natural to dramatic, depending on how many coats are applied. The patented brush coats individual lashes evenly for glorious length and smudge-free wear. What else you need to know: This favorite now comes in a sleek chrome tube. It is ophthalmologist tested and safe for contact lens wearers.