Description Hair strengthening shampoo for damaged hair and split ends strengthens weakened hair. Extreme hair strengthening shampoo uses our Fortifying Complex to restore and repair hair while protecting hair’s natural shine. HOW TO USE: Apply Extreme Shampoo to wet hair, massage into a lather, rinse. Follow with extreme conditioner. For extra strength, apply extreme CAT on hair between shampooing and conditioning 1-3 times a week.
