Maybelline Tattoo Studio Sharpenable Gel Pencil Waterproof Longwear Eyeliner Purple Pop Delivering smooth strokes and intense color this waterproof eyeliner glides on seamlessly for our longest lasting wear yet. This sharpenable pencil eyeliner delivers pigment-rich hues precise definition and an up to 36-hour wear that lasts so your Halloween eyeliner looks stay from day to-night and beyond.