Nourish and strengthen dry, fragile hair with the Kerastase Genesis Fortifying Pack. This set—including Bain Nutri‑Fortifiant shampoo, Fondant Renforçateur conditioner, and Reconstituant mask—restores hydration, reduces breakage, and fortifies weakened hair prone to falling. Ideal for dry, brittle hair types. https://www.dayjour.net/products/kerastase-genesis-fortifying-pack