As Adam said, we do both types of testing here. The amount of hair needed for testing is about a pencil or a sharpie marker's width amount and a clipping from each of your fingernails. Hair testing detection times are from 7-90 days after ingestion and nail testing detection time is from 4-6 months. Hope that helps!
Yes. Both are offered here. You need about a sharpie width of hair for testing, but I'm not sure about the nails
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