They sell it on QVC and it is
expensive!!
I've never tried it but if you're thinking about it read the directions before you buy it. It's a very involved process and you have to spend quite a bit of time with it. I cannot imagine going through that routine just to wash my hair. They explain it in the link below:
http://www.qvc.com/WEN-byChaz-Dean-L...N-_-2-_-A86718