Double Action Auto Brow Pencil's triangular shape is the ultimate for precision outlining and sketching in perfect brows in no time. Use the broad base to shape and fill in brows and the pointed side to define the tail of your brows. A waterproof formula and retractable tip add to the ease and function of this must have brow tool. The spoolie end sweeps brows into polished shape for a fast, fuss free and well defined look.