Easily craft some bold, head-turning arches or keep your brows natural but more defined with the two full-sized best-sellers in HighBrow set. In two simple steps, you can fill in & darken barely-there brows, tame unruly ones and give thin, shapeless brows some serious definition or drama. Add definition with Brow Pen - an ultra-slim, smudge & water-proof pencil for filling brows with precise, hair-like strokes. Then groom and fill with Hypnotize Brow Mascara, our ridiculously versatile & easy to use brow mascara.