Graham Webb Heat Response Firm Finish Spray 8.5 oz - Perfect for all hair types Increases shine. Boosts body and fullness. Provides superior protection form the daily use of hot tools such as blow dryers, flat irons and curling irons. It also boosts body, increases shine and locks in style without build-up or added weight. It contains up to triple the amount of Thermacore Complex, a patented, heat-activated conditioning agent that protects hair from the damaging effects of hot tool usage.