How to use: For the most natural look, fill in brow sparseness. To re-define your brow, place the pencil against the side of your nose, in line with the inner corner of your eye, and mark where your brow should begin. Next, keeping its base in place, rotate the pencil’s tip to the outer edge of the pupil, and mark where your brow should arch. Lastly, rotate the pencil’s to the outer corner of your eye and mark where your brow should end. Following your guidelines, fill in your brow. To build up your brow, outline your desired brow shape and fill in.