The test is completed on the hair sample composition so that no hair processing will not affect the result. However, if you would like, you can provide hair from elsewhere on the body.
Home » FAQs » My hair is dyed, permed or treated; will this affect the result?
The test is completed on the hair sample composition so that no hair processing will not affect the result. However, if you would like, you can provide hair from elsewhere on the body.
This article was written by michaelwood.
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