drug metabolites

What Can Alter A Hair Drug Test?

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What Can Alter A Hair Drug Test? Hair treatments: Hair treatments, including shampooing, coloring, relaxing, and bleaching the hair, can affect the concentration of drugs and drug metabolites detected during testing. Chemically treated hair may not be appropriate for testing, and untreated hair may need to be taken from another part of the body. What

What Human Body Components Can Be Used For Drug Analysis?

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What Human Body Components Can Be Used For Drug Analysis? The presence of drugs in the human system can be detected by testing a variety of different samples, most notably urine, blood, hair, sweat, and saliva. How do you collect drug evidence? Known samples can be collected by rubbing sterile swabs against the cheek, inside