Anastasia Beverly Hills Brow Pen British Eyebrow ProductBrow Pen by Anastasia Beverly Hills is a superfine tipped pen ideal for creating realistic hair strokes that will give you your most natural looking brows yet. Use the sharp, flexible brush tip to easily build dimension by micro stroking in areas you want more fullness, creating unparalleled hair like detail with precision. The formula glides on effortlessly with a featherlight feel and mimics the appearance of natural hair for a fuller looking finish.