STRAIGHT & SLEEK THERMAL PROTECTION SPRAY. De-Frizz-It Spray contains Keratin| a new generation silicone and cationic conditioners that gives thermal protection against high temperatures guaranteeing extra smooth results. De-Frizz-It Spray will reduce fizziness with a built-in anti-humidity protection| that repels moisture away from hair. This heat defence is created to protect the hair structure| when using a ceramic straightening iron.