Hair Test

Hair and finger nails are the focus of analyses aiming at proving drug use over long periods, up to a year or even more, depending on the length of the hair.

Usually you can't prove drug consume in the hair after rare or singular consumption but after regular use hair tests are quite sensitive.

There are some influencing factors for the validity of hair tests like hair colour and thickness, lifestyle, environmental conditions, shampoo, bleach, colouration etc.

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