I have had difficulty with dry, itchy scalp for years, even though my hair is oily.  I have tried many shampoos formulated for my condition, including shampoos for dandruff, both over the counter as well as salon brands.  Nothing has helped to relieve my itchy scalp.  One day I mentioned my problem to my hairdresser.  She stated firstly, shampoos for dandruff definitely would not help my scalp issue, as I did not suffer from dandruff.  Then she suggested I try Paul Mitchell's Tea Tree Special Shampoo, which was specifically geared toward my problem, and would also not hurt my color treated...