Barb Hair Drug Test

I took one bultalbital from a friend for a headache a few weeks ago. Would using it only one time be enough to show up on a hair follicle test?

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A hair drug test is meant to show consistent use over time. A 1.5 inch sample of hair, cut at the scalp line, will go back 90 days. So the answer is NO one time use of a drug will not show up on hair drug test. Also most labs that do hair follicle drug testing do not test for bultalbital.

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