Redken Pillow Proof Blow Dry Express Primer This blow dry primer & heat protection spray cuts blow dry time, protects from heat up to 450 degrees F, helps reduce breakage and provides 24-hour lasting volume without weighing hair down. Hair is left 3x stronger and healthier and perfectly primed for any other styling products. Shake well. Mist all-over damp hair. Select your desired end result and use appropriate styling product. Extend the life of your blow-dry and style by applying Pillow Proof Blow Dry Two Day Extender.