This specialized Kerastase Premier Preshampoo Treatment is expertly formulated to prepare the hair fiber for subsequent care, acting as a foundational step in your routine. It targets deep structural needs, enhancing resilience and manageability before shampooing. Ideal for use on dry hair before wetting, this pre-wash treatment maximizes ingredient efficacy, ensuring optimal performance from your full hair care system. Incorporate this treatment into your regimen when hair requires intensive recovery and strengthening.