Hello All - Sorry if there's another thread out there regarding this...I couldn't find it though. So I was recently diagnosed with androgenetic alopecia. I am using laser therapy for 30 min every other day and 5% rogaine foam 1/day. I am curious about shampoos: I've heard of keranique, nioxin, and just started with the kerastase for thinning hair. My question is - what's best? Does it matter? What do these types of shampoos really do? Any insights would be really appreciated-thanks!