Say hello to fuller-looking eyebrows! Trish McEvoy's revolutionary new brow pen offers the ultimate solution to thin, sparse brows. The most up-to-date technology allows the pen to release nylon fibers in a smooth, lightweight gel that will wow you as your eyebrows magically fill out! In Shade 1 (light-to-medium brown) and Shade 2 (medium brown-to-black). How to use: Twist and apply in small strokes using the comb applicator to evenly distribute Brow Builder. Follow the natural shape of your brow for the most natural look.