Ultimate Repair Shampoo Helps Detangle And Provides Extreme Damage Repair. Designed For Heavily Damaged, Dry Hair. Up to 90% more resistance & shine. The restoring formula with 3x concentrated liquid keratin repairs hair damage and refills keratin in the hair cuticle. The hair structure is ultimately restored - for perfectly healthy hair. Heavily damaged hair loses keratin, leading to a weakened hair structure. Ultimate Repair provides restoring keratin care to repair hair damage.