If your hair can handle polyquats cream of nature is a nice inexpensive sulfate free easy to find shampoo.
Activate makes a sulfate free shampoo that's nice too.
I think overall this board has been the most helpful tool. I had no clue what all was building up on my hair or why this or that didn't work. It's nice to solve the mystery.
I'm glad someone started the curly revolution though, seems like more and more curlies are going natural and companies are making products just for our hair types yay!