The Toppik Fiberhold Spray is designed to work in conjunction with Toppik Hair Building Fibers, locking them securely in place for a long-lasting, natural look. This clear, lightweight spray offers a firm but flexible hold, significantly increasing the staying power of the hair fibers throughout the day, regardless of weather conditions. It is an essential finishing product for anyone using hair fibers, ensuring that the results remain intact and resistant to wind or light moisture.