What it is: A mascara with a brush specifically designed for coating the bottom lashes. What it does: This mascara's brush was engineered to grasp even the tiniest of bottom lashes; its expert formula resists pesky smears. What else you need to know: Bottom Lash Mascara is formulated to be removed with warm water. Simply splash warm water (bath temperature is ideal) onto lashes, press gently, and mascara comes off with ease.