NEW IN BOX. SERUM IS SEALED WITH PLASTIC. Obagi Nu-Cil Eyebrow Boosting Serum - 0.17 floz. - the ultimate solution for fuller, thicker, and more defined eyebrows. Formulated with potent peptides, vitamins, and antioxidants, this serum stimulates eyebrow growth while strengthening and conditioning existing hairs. Say goodbye to sparse brows and hello to eyebrow perfection with Obagi Nu-Cil Eyebrow Boosting Serum. To apply Obagi Nu-Cil Eyebrow Boosting Serum, start with clean, dry eyebrows. Using the applicator wand, carefully apply a thin layer of serum directly onto the eyebrows, focusing on sparse areas or areas where you desire enhanced growth and definition. Gently massage the serum into the eyebrows using your fingertips to ensure even distribution. Allow the serum to fully absorb before applying any other skincare or makeup products. For best results, use daily as part of your morning or evening skincare routine.