SPRAY APPLICATOR. Benefits: Create the look of fuller-looking, thicker hair by using this must-have tool together with Toppik Hair Building Fibers. Patented Toppik Spray Applicator helps to apply Toppik Hair Building Fibers more precisely into specific, targeted areas. Use the Spray Applicator to help disguise parts, cover up roots, or blend hair extensions. Combine the Spray Applicator and Hairline Optimizer when working around the hairline. Fits both Regular and Economy size Toppik Hair Building Fiber bottles. : :