Concentrated restructuring treatment ampoules for damaged and brittle hair. Intensive formulation that restores strength, elasticity, and shine to compromised hair. Ideal for regenerating the hair fiber and combating dryness and fragility. Apply the contents of the ampoule to damp hair, focusing on the lengths and ends. Leave on for the recommended time, then rinse thoroughly. Visible results after the first uses: softer, more resistant, and luminous hair.