Redken's Thermal Spray High Hold delivers maximum control while taming frizz for styles with full staying power. This priming spray protects against heat up to 450°F (230°C) so you can rest easy knowing your hair is happy and healthy no matter which thermal styling tools you are using, be it a blow dryer, flat iron, curling iron, or all of the above. It will also leave you with a naturally shiny finish and lasting hold so your style stays put all day long.