I just can't see how co-washing could cause hair thinning more than sulfate shampooing.
Originally Posted by chupie
I've been sulfate-free for years and would never go back! This isn't a co-washing vs. sulfate-washing issue. For me it's low-poo vs. co-washing. I never had problems w/ excess shedding or thinning hair while using low-poos and I've used low-poos for years.