Obagi Nu-Cil Eyelash Serum is a conditioning lash enhancer designed to support the appearance of longer, fuller, and more defined lashes. Powered by Obagi’s innovative NouriPlex™ technology, this lightweight serum nourishes the lash line, improves lash density, and promotes a healthier, thicker look over time. With consistent daily use, lashes appear stronger, more voluminous, and naturally lifted—perfect for anyone wanting noticeable lash improvement without extensions.