YOUNG AGAIN WASH:Put youthful body and bounce back into brittle, damaged hair with a nourishing boost of YOUNG.AGAIN.WASH. An essential part of our REJUVENATE regimen, our restorative shampoo delivers a nourishing complex of Amino Acids alongside ingredients selected specifically for their known rejuvenating benefits. The end result will be renewed, youthful-looking lustre, and hair that looks and feels young again.