What it is: Redken Pillow Proof Blow Dry Express Primer with heat protection Microflex stylane creates a ?thermal blanket? of flexible silicone resin that protects hair and helps prevent breakage. What it does: Trisiloxane and Isododecane allow for quick drying, resulting in a smooth and silky finish. What else you need to know: Cuts Blow Dry Time Anti-Breakage Protects up to 450° F