If you still have any of the no-poos on hand (Deva or CJ), have you tried changing your technique? I know that made a huge difference for me. I spent months believing I couldn't co-wash but once I changed my technique it made all the difference in the world (I use the same technique for no-poo/cleansing conditioners that I use for straight conditioner co-washing). In addition to lots of scalp massaging when I apply co-wash (good 2 or 3 minutes), I also continue to massage my scalp as I rinse. This was a night and day difference.
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