The Kérastase Chronologiste Youth Revitalising & Purifying Pre-Shampoo Detoxing Treatment is designed to deeply cleanse and revitalize your scalp and hair. Infused with Hyaluronic Acid, this treatment works to purify the scalp, removing impurities and environmental aggressors while preparing the hair for subsequent care. It helps to restore the youthful vitality of the hair, leaving it feeling refreshed, supple, and smooth. This pre-shampoo treatment provides an invigorating sensory experience, making it an essential step in your hair care routine for a healthy scalp and radiant hair.