Can I use clay to shampoo my hair? Episode 136

Can I use clay to shampoo my hair?  Joneen says…I have a question about rhassoul clay. I've heard great things about using it as a shampoo. My concern, though, is mineral buildup. This is one of the results of hard water that has a negative impact on hair, and something I am currently experiencing and want to avoid in the future. I know rhassoul is largely silica and aluminum, but it does have some calcium and magnesium in it, the very same minerals that hard water contains that are so problemat...