InstaHair Hair Fiber Hold Spray is a fine mist specifically formulated to increase the bond between InstaHair Hair Building Fibers and thinning hairs. Naturally derived ingredients soften and condition both hair and fibers optimally for a completely natural appearance. It intensifies the magnetic attraction and assures that the fibers will stay in place under all conditions including wind, rain and perspiration. You may even brush after drying for a softer style with ample fiber-holding power. Well suitable for both Men & Women. Easy to use.