K18 HeatBounce conditioning heat protectant shields hair from thermal damage up to 450°F (232°C). This leave-in formula detangles, softens, and reduces breakage by 85% after blow drying. Powered by Resilicore™ technology, it penetrates deeply to fortify hair from within, promoting a healthier, more resilient finish. This 118 ml (4 fl oz) protectant enhances manageability and adds shine, suitable for use on both wet and dry hair.