Two months ago, I went in search for the Giovanni 50:50 clarifying Shampoo and could not find it. When I saw the 1 liter bottle of the Giovanni Tea Tree Invigorating Shampoo , I was like JACKPOT! Maybe I can just use this and it will work as great as the clarifying shampoo. Was I wrong!! I did not pH test it to see if it was in the best pH range that it will not affect the girls' hair. After using this product, their hair was stripped, it took 2 deep conditioning sessions to get the moisture back into their hair. What happened? I looked at the ingredient list for sulfates and did not see any. Then it occurred to me to pH test it. pH 101 Anything between 0 and 6.9 is acidic, 7 is neutral, and anything between 7.1 and 14 is alkaline. Human hair and scalp oil, sebum, has a pH balance of between 4.5 and 5.5. A substance that is too alkaline will cause the hair cuticle to open, while a substance that is too acidic will ...
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