I did for awhile. I used creme of nature or design essentials mositure rention shampoo. I would would use ors replenishing pac and let it sit with heat for ten mins. I really didn't have a problem. I did it out of bordem.
I used to. I used Pantene Relaxed and Natural Breakage Defense Shampoo, NTM Cream Lather or Dove Intense Moisture. I didn't have any problem with them, I just stopped using them for a while.