After styling and applying Hairology Hair Thickening Fibers (sold separately), hold the Hairology Fiber Holding Spray in an upright position 2-6" from where fibers were applied and lightly spray hair. Repeat & reapply as needed. Smudge proof. Hairology™ Setting Spray (2 fluid oz.). Item can only be shipped to the 48 contiguous United States and cannot be expedited.