Chi 44 Iron Guard spray CHI 44 Iron Guard Thermal Protection Spray is a superior thermal protection spray that works from the inside out helping to protect hair from thermal damage and breakage. with a weightless formula with no added build up. Helps to seal the cuticle and works to prevent future damage. Weightless formula with no added build up Helps to seal the cuticle and works to prevent future damage Vitamins and proteins add essential moisture Protects against thermal damage Suitable for all hair types Section hair and spray CHI 44 Iron Guard evenly over dry hair. Start using your heat tool from roots to ends. All offers are accepted or countered New to Poshmark? Use code NYSHOELOVER to get $10 off your first purchase!