Valentino's Colorgraph Waterproof Gel Eyeliner Pencil has range, offering vivid pinks and electric purples alongside the can't-go-wrong classic coal. Take the Jones Road Gel Liner, for example. Unlike any eyeliner I've ever seen, this liquid eyeliner pen has a flat applicator with a curved edge. If you're using an eyeliner pencil, Houston-based makeup artist Rose Siard says: "As soon as you draw your line, start smudging. If you're using liquid eyeliner, it's a whole other beautiful beast.