Have you tried Giovanni Tea Tree Triple Treat Shampoo? It's a low-poo, and it really helps with itchy scalp and smells wonderful! This time of year my scalp can get really itchy!

Also, are you massaging your scalp enough when you co-wash? In the beginning, I wasn't doing it enough. Now I do, and I rarely have flakes, which amazes me!

Every once in awhile (usually every few months), I have to use a sulfate shampoo on my scalp. If it feels gunky and itchy, then that's what I do. Sometimes we just need that total clarifying that a sulfate shampoo gives. I go as long as I can without using it.

Good luck!
-3A, fine, very thick, normal por., normal elast., long, dye- free (CG since Nov. '11)
-Low poo (As needed): CVS Argan Oil Renewing Shampoo
-RO: GVP The Detangler
-Styling: LALSG
-PT: ION Effective Care (seldom)
*I have learned that sometimes less is more when it comes to my hair*