Looking for the best heat protectant spray for blow-drying and straightening hair? Get up to 48 hours of straight, frizz-free finish, and heat protection for the perfect sleek style with Fructis Sleek & Shine Flat Iron Perfector Heat Protectant Spray. This powerful hair straightening spray infused with argan oil from Morocco provides up to 450 degrees heat protection from your styling tools. Use this flat iron protection spray to tame frizz and flyaways, and lock in smoothness and shine for a lasting, mirror-sleek finish. This lightweight hair protectant spray can be used before blow-drying or flat ironing to shield hair from heat and help control frizz.