The Joico K-Pak Reconstructor Deep-Penetrating Treatment is an intensive hair mask specifically designed for damaged hair. With a capacity of 1000 ml, this treatment provides deep-acting care that strengthens and repairs the hair structure. Ideal for stressed hair, it promotes elasticity and adds shine. The keratin-infused formulation supports the restoration of hair fibers while locking in moisture. An essential product for professional hair care that can be used at home.