Nature s protein treatment for all types of hair. What it does this instant hair repair treatment is the most powerful form of natural protein for the hair and is acid-balanced with a pH of 2 5 working instantly to restore youthful life and luster to dry brittle hair. What else do you need to know excellent for hair that is abused by the heat of blow dryers curling irons tinting bleaching perming and relaxing frequent shampooing.