This #1 best-selling, award-winning pencil is infused with brow-enhancing biotin, lecithin, saw palmetto, nettle, green tea, antioxidants, grape seed, and vitamins A, B5, C and E, plus proprietary Brow Power™ Technology to give you your most beautiful, natural-looking brows! Brow Power™ features an exclusive oval tip that works on both thin and thick brows to mimic the look of real hair, plus a built-in grooming spooley brush for polished perfection.