A Liquid Eyeliner: Kosas 10-Second Eye Gel Watercolor Eyeshadow Want something sparkly and easy to blend, but still has lots of pigment? You need the newly formulated Kosas 10-Second Eye Gel Watercolor Eyeshadow ($15). It's going to help create the easiest, statement-making eye. Image Source: revolve.com Kosas 10-Second Eye Gel Watercolor Eyeshadow $15 from revolve.com Buy Now