Protocole Hair Discipline Treatment No. 1 by Kérastase is designed to manage and refine hair texture, offering exceptional care for difficult-to-control hair. This treatment focuses on restoring discipline to the hair fiber, leading to smoother, more manageable results. It works to nourish intensely while controlling volume and frizz, leaving the hair looking sleek and polished. Ideal for regular use as part of a comprehensive hair care routine, this product helps maintain long-lasting smoothness and shine.