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Met police dhep

Does anyone know what drug test is performed. I dyed my hair recently and am anxious if that’ll give me a false positive
Reply 1
Hair dye shouldn't be relevant as so many people have coloured hair and it won't give a false positive. You should also be given the option to give non-head hair, or offer a blood test. A lot of people attending Medicals will have hair that's too short to be sampled, so this will be very common.

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