About the product Use Eclipse Hair Fiber Hold spray after applying Infinty Hair Fibers for enhanced shine and hold of the hair fibers for up to a week. Eclipse Fiber Locking Spray is designed to create a lasting bond between thinning hair and Eclipse Hair Fibers. Apply applying Eclipse Hair Fibers, finish with Eclipse Fiber Locking Spray for a long lasting natural look. After applying Eclipse Hair Fibers, hold 10-12 inches away from hair and apply 2-4 pumps over the area of where the Ininfity hair fibers have been applied. Spray again if necessary. Eclipse Fiber Locking spray helps to hold the Eclipse Hair Fibers in place from shampoo to shampoo and up to a week. Works to help hold the Eclipse Hairs Fiber in place against Wind, Rain, Perspiration and other intense conditions. Eclipse Locking Spray can be used with other hair fibers but was specifically designed to work with Eclipse Hair Building Fibers.