Kérastase Nutritive 8H Magic Night Hair Serum 90mlThe Krastase Nutritive 8H Magic Night Hair Serum is a luxurious leave in overnight treatment specially formulated for dry hair, delivering up to 8 hours of continuous deep nourishment while you sleep. Enriched with a rich blend of nourishing actives, this lightweight serum penetrates each strand to detangle, soften, and protect hair from within, so you wake up to silky, manageable, and beautifully conditioned hair every morning. Simply apply before