Professional renewal and repairing hair mask for deep reconstruction of the hair. Restores, protects and supports the architecture of the hair fiber, acting at the fibrillar level. It replenishes lost or damaged keratin KAPs (Keratin-Associated Proteins), providing additional protection to the hair’s keratin and its disulfide bridges. Provides essential amino acids to rebuild α-keratin molecules. Gives deep and long-lasting nourishment, making the hair stronger, more resistant, soft and visibly healthy.