Obagi Nu-Cil™ Eyelash Enhancing Serum. This specially formulated serum is designed to promote longer, fuller, and healthier-looking eyelashes. Choose Nu-Cil™ for its advanced blend of ingredients, offering a nourishing boost to your lashes. Experience the confidence that comes with enhanced eyelashes. Transform your lashes with Nu-Cil™ Eyelash Enhancing Serum – your secret to natural lash beauty.