Joico Smooth Cure Thermal Styling Protectant is a finishing spray which works to shield frizzy & coarse hair from humidity & thermal damage. Perfect for use alongside the Leave-in Rescue Treatment, this styling spray will lock in moisture with its hydrolyzed keratin formula to form a flexible shield that protects hair & prevents colour loss caused by sunlight, heat styling & pollution leaving hair soft, shiny & frizz-free. Joico hold factor 1.