Kevin Murphy Rejuvenate Range includes Young Again which Nourishes and shine through the heat with Kevin Murphy’s Young Again Oil. Strengthen hair by up to +1.7X with YOUNG.AGAIN. Young.Again.Rinse helps Rejuvenate and maintain youthful hair this summer. Kevin.Murphy YOUNG.AGAIN.WASH helps Maintain vibrant, youthful hair throughout summer. Kevin.Murphy YOUNG.AGAIN DRY CONDITIONER  Keep your hair refreshed and nourished this summer. Kevin.Murphy YOUNG.AGAIN.MASQUE  helps to Keep your hair youthful and vibrant all summer.