Find accurate and reliable answers to your questions on IDNLearn.com. Ask anything and receive well-informed answers from our community of experienced professionals.
How far back does a hair follicle drug test detect drugs?.
explanation: Hair drug tests have the longest detection period, and can typically detect drug use for up to 90 days. Depending on the drugs used, a hair sample can sometimes help determine when drug use occurred and whether it's been discontinued.
We value your presence here. Keep sharing knowledge and helping others find the answers they need. This community is the perfect place to learn together. Thank you for trusting IDNLearn.com. We’re dedicated to providing accurate answers, so visit us again for more solutions.
