What it is: The industry standard for eyeshadow primer! What it does: Packaged in a precious, genie-like bottle, Eyeshadow Primer Potion is an ultra-sheer, totally nude eye base that glides on with the wave of a wand and then disappears instantly. It's the ultimate eye prep for smoother, more vibrant shadow and all-day wear, with absolutely no creasing. Now with a new and improved bent wand!