- Lock your favorite style in place with Firm Style Stay Strong Hairspray from Paul Mitchell®. This firm-hold spray adds volume and provides maximum control without leaving hair feeling stiff or sticky. Its special formula also protects against humidity, helping to fight frizz. Strong-hold spray offers the ultimate style support while remaining workable. Humidity-resistant ingredients help fight frizz and flyaways. Weightless, ultra-dry formula provides maximum control and volume. Hold can 8 to 10 inches (20-25 cm) from dry hair and spray. If nozzle clogs, rinse under warm water.