What a great thread!
I just wanted to add my experiences to the mix. When I first started CG, my hair was in HORRIBLE condition - it was the driest and most damaged it's ever been, and my curl/wave was practically non-existent. I started a strict CG routine and the results were great; my hair stopped feeling like straw!!
After three months however, my hair took a turn for the worse - it would go limp a few hours after showering, and in some cases would look completely straight (you can see this in the first few pics in my fotki). I decided that I needed to clarify, and after trying some home remedies that didn't work I started using a mild poo about three times a week. Voila! My hair was back to normal.
I recently got my hair cut by a Devachan trained stylist in my area. I explained to her what had happened, and she said that I SHOULD
be using Low-Poo whenever I need to! She even said that if my hair felt conditioned that I could just water wash! No Co!!
I was in shock, but she explained to me that once your hair is in good condition you don't need as much moisture. This is especially true of a wavy like me.
So, here are my thoughts on the subject. I think when Massey wrote her book most of the people reading it needed a major hair intervention. And it seems that people w/ tight curls can stay w/ this routine b/c in general that kind of hair is dry. But I, and it seems others, need a to use a mild poo once our hair is back in top shape.
And, how can you call it "Modified-CG" if this advice is coming from Devachan? It's more like "CG, part 2!"