K18 Heat Bounce 118mlK18 Heat Bounce 118ml is a next generation leave in heat protectant that goes deeper than traditional formulas to shield hair from damage. Powered by resilicore heat shielding technology, it penetrates into the hairs inner cortex to fortify from within, delivering powerful protection and visibly healthier results. Key benefits Provides advanced heat protection up to 232C (450F) Reduces breakage by up to 85% after blow drying Fortifies the hair cortex