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Does hair color or texture affect the results of the testing?

April 26, 2017affect color hair results Testing Texture

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Does hair color or texture affect the results of the testing?

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No. In fact, Psychemedics patented process routinely separates melanin, the color component of hair from the sample. Therefore, the hair tested is colorless. Extensive independent studies confirm that hair color is not a factor in Psychemedics hair testing: results.