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Hair

Can I complete a hair test on a child?

How do I take a hair sample?

My hair is dyed, permed or treated; will this affect the result?

My hair is very short, or I am bald. Can I still complete the tests?

Is there anything additional to pay?

General

How do I order a test?

Where are my results?

What if I'm not satisfied?

Where are the samples tested?