Transform shapeless, undefined brows with just a few flicks of Precisely, My Brow Pencil, now available in a perfect size to try or tote around in your purse. The custom ultrafine tip makes adding detailed definition to your brows easy, by drawing incredibly natural-looking, hair-like strokes that last up to 12 hours.* This rich, waterproof** pencil is ideal for spot filling sparse or over-tweezed areas and the smudge-proof formula is firm enough for precise application yet glides on effortlessly to bring symmetry to your brows and your entire face.