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A member asked:
Tried cocaine one time 9 months ago. did i hair test with armpit hair. never have shaved it. will results go farther than 90 days?
5 doctors weighed in across 2 answers
Hair drug testing: The typical length of hair tested is 1½ inches from the root end. Since the average growth rate of human hair is approximately ½ inch (1.25 cm) per month a hair analysis covers an approximate 90 day time frame. This time frame is an approximation only since an individual’s actual hair growth rate may vary from the average. Hair growth rate slows as you age.
Answered 1/6/2019
231 views
Possibly: There is no expiration point for cocaine compounds in your hair. They stay there until you cut the hair. Having said that, an infrequent user would be less likely to Have a positive test nine months later. It depends on the sensitivity of the test given. Good luck.
Answered 1/7/2019
231 views
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