Instantly smooths damaged or coarse hair for up to 72 hours. Protects hair from frizz, humidity, and heat damage up to 230 °C. Reduces hair breakage during styling by up to 83%. Ideal for medium to coarse hair. Application: Work into towel-dried hair, blow-dry, and if necessary, straighten with a flat iron. Heat styling for looks you can achieve with hot tools without sacrificing a healthy appearance. Provides immediate heat protection up to 230 °C while blow-drying or straightening, as well as up to 72 hours of protection against humidity and frizz.