BrowFood 24H Tri-Feather Brow Pen easily creates natural-looking brows with color that lasts for up to 24 hours. This three-pronged pen easily and precisely delivers a fine liquid formula infused with a Nano-Peptide Complex to help promote brow rejuvenation. Turn pen to its side and use the edge to outline and shape the brow, then flip the pen to use the three-pronged tip for quick filling and feathering.