can being around marijuana fail my hair follicle
Will a hair follicle drug test show a positive result for secondhand pot smoke? âAromatic and Anxious in Atlanta. Hey, Anxious! No, a hair follicle test wonât come back positive for marijuana if you are exposed to secondhand or passive pot smoke. I contacted Barry Sample, Ph.D. and Director of Science and Technology for Quest Diagnostics Employer Solutions to find out details on marijuana drug testing.