This luxurious solid hair serum from Kerastase, part of the Elixir Ultime collection, is infused with Beautifying Oils to nourish and revitalize your hair. Its unique, concentrated formula provides intense hydration and a silky finish, taming frizz and adding a radiant shine. Perfect for on-the-go touch-ups or as a deep treatment, it leaves hair feeling soft, manageable, and beautifully enhanced. Experience the transformative power of precious oils in a convenient solid format. This serum is designed to restore vitality and add a touch of elegance to your hair routine.