Prime your hair for heat styling with krastase nutritive nectar thermique a leave in heat protection treatment that works to shield and smooth your hair enriched with an iris royal complex the nourishing milk formula delivers a veil of protection on hair prepping it for blowdrying and heat styling its caring complex smoothens the look of rough dull hair and creates a resurfaced appearance with enhanced mirror like shine hair is easier to manage and blowdry suitable for dry to very d