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Can clients use TR on hair previously treated with relaxer products containing Sodium Hydroxide?

April 26, 2017clients containing hair products relaxer sodium hydroxide tr treated

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Can clients use TR on hair previously treated with relaxer products containing Sodium Hydroxide?

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A. No. The chemical ingredient in all TR products is thioglycolate or a derivative of glycolate. Sodium hydroxide and thioglycolate do not mix. I heard some stylists doing it for whatever reason, but I do NOT recommend it. Ask any chemist and theyll tell you it is a no go.