Toppik Using the Spray Applicator with the Toppik Fibers bottle gives you more precision in order to conceal localized areas of thinning, like Melina’s part. To strengthen the bond between Toppik Fibers and existing hair , while still maintaining a softer, flowing style like Melina’s, you can use Toppik FiberHold Spray.Please Use Toppik hair fiber always after hair wash & Use Always On Dry Hair for perfect look & must use Toppik holding Spray after hair fiber apply