Elseve Complete Repair 5 shampoo - finds 1 solution to 5 problems of damaged hair with the repair concentrate containing Keratin XS - repairs the hair strand and strengthens the structure of the hair. Enriched with 4% repair concentrate containing Keratin configures*. It strengthens your hair for silky softness and a healthy look again. *Instrumental test after using the Complete Repair 5 Reconstructive Care Shampoo and Conditioner together.