Set includes two Kérastase Nutritive treatments for dry hair and split ends: 8H Magic Night Serum with Niacinamide 90ml and Nutri-Supplement Split Ends Serum 50ml. Both are leave-in, nourishing serums enriched with polymers and lipids to smooth and improve the appearance of dry, split ends. The lightweight, translucent oil texture conditions ends without weighing hair down. Can be used after your Nutritive routine. How to use: apply 5 drops to wet ends as a leave-in treatment, then style as desired. Do not rinse. In case of eye contact rinse immediately and thoroughly; if irritation occurs, reduce frequency of use.