Colorstay Brow Creator™: the precision of the una micro tip, the defined look of an eyebrow shadow. 3 functions in one product. 1 Fills: the micro-sculpting pencil fills in sparse areas with natural color and adds definition. 2 Defines: the eyebrow shadow provides a velvety and soft finish. 3 Sculpt: the precision spoolie distributes color, combs, and adjusts the shape for a super natural result.