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Rhassoul clay & mineral buildup?

Hi again Beauty Brains :)

I have a question about rhassoul clay. I've heard great things about using it as a shampoo. There's even a post at The Natural Haven ( that I think I got to via a link on Beauty Brains, in which she tests various natural/mild cleansing methods on hair and shows the results under a microscope, and rhassoul was shown to work very well. So I'm certain that it will perform great at actually removing oil from the hair. 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 problematic. So it seems to stand to reason that these would also get deposited on the hair from using rhassoul and cause buildup, even if I get a water softener and eliminate prior mineral buildup with a chelating shampoo before I start using rhassoul. But people rave about this as a shampoo alternative. Is there a scientific reason why it may not cause mineral buildup - i.e. does the large amount of silica somehow prevent the calcium and magnesium from binding to the hair? (I have no idea if this is even a reasonable idea, I'm just throwing something out there.) 
Also, if I do end up using rhassoul, I will be mixing it with aloe vera juice to create a consistencey that is easy to apply, and to help give it a lower pH. I know many others who use rhassoul also do this - would there be something about using the aloe vera juice that may prevent mineral buildup? Again, I have no clue if this is a reasonable idea, I'm just trying to give all possible information that might contribute to figuring this out. :) I'm eager to use this from all the benefits I've read, but I don't want to get three months in and find my hair back in the same situation, with my time and money wasted. Thanks!


  • edited April 2016
    Mineral buildup is a huge problem when the metal ions in hard water combine with soap and form insoluble "gunk" that's hard to get off your hair. To a lesser extent you get mineral deposits when hard water dries on your hair. 

    If you're brushing clay through your hair (and then rinsing it out?) I don't see how that would cause the same problem. 

    Remember though these alternate cleansers like clay won't do a good job of removing residue from heavy conditioners or styling products.  

    BTW, if you're interested in recording a shorter, audio version of your question Perry and I will use it on the podcast. (Just record it on your smart phone and email it to me at 
  • Wonderful, thanks, that is great to know! 

    As far as method of application, I won't be brushing the clay through my hair, I'll be applying the clay/aloe mixture to my scalp and wet hair in the shower (just like normal shampoo), gently massaging it in and leaving it on for a few minutes, then rinsing it out. If this changes your answer as to whether it would leave mineral deposits, let me know - but I'm guessing it doesn't?

    I don't use any heavy conditioners/styling products, so that shouldn't be a problem, but that is very good to know for the future in case I do start using those type of products.

    Awesome that you want to use this in the podcast! I will record a shorter version and email it a little later tonight. :) Thanks again! 
  • Hey! Sorry I forgot to do this this last week that evening when I got home. Did it and sent it just now. :)
  • Got it, thanks!!
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