What are the pH levels of your Clarifying Shampoo? April 17, 2023 18:05 Great question! pH plays an important role in keeping your hair and scalp healthy and happy. We maintain a low level 5.0-6.0 pH to help maintain hair’s pH to its optimum level. Related articles Will this help remove the green tint I get from swimming pools? Comments 0 comments Please sign in to leave a comment.