Kenra Platinum Heat Block Spray 22 is an ultra-fine finishing spray featuring unique Bee Propolis, a naturally-sourced resin providing unmatched thermal protection. This high hold, high shine, humidity-resistant spray perfectly refreshes any style throughout the day. Benefits Provides thermal protection up to 450 degrees F High hold finish for ultimate style longevity Enriched with Bee Propolis which forms a protective cast around cuticle for unparalleled heat protection Ultra-fine mist application dries on contact