How it works
When a drug is taken it is absorbed by the blood and taken around the body. As the hair grows, drugs from the blood supply are incorporated in the hair follicle. Once the sample has been collected it can be analysed to detect the presence of parent drugs and their metabolites.
Overview
Hair 1 | |
---|---|
Amphetamine | Cocaine |
Opiates | Tramadol |
Benzodiazepines | Ketamine |
Methadone | Cannabis |
Methamphetamine |
Hair 2 | |
---|---|
Amphetamine | Cocaine |
Opiates | Tramadol |
Benzodiazepines | Ketamine |
Methadone | Cannabis |
Methamphetamine | Mephedrone |
Pregabalin | Gabapentin |
Zolpidem | Zopiclone |
Buprenorphine |
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