Define lashes and brows with Obagi Nu-Cil Lash and Brow Serum Set. Two targeted serums designed for the lash line and brows to condition and support a lush, polished look. Lightweight formulas glide on with precision applicators and dry comfortably, so they layer easily with makeup or skincare. With consistent use, lashes can look more defined and brows can look fuller looking and more even, helping frame the face with a naturally refined finish.