A Hair Follicle Drug Test, Or A Hair Drug Test, Is Done To Screen A Person For Illicit Drug Use.it Is Also Used To Determine Misuse Of Prescription Medication By A Person.


A hair follicle drug test is the only drug test that can detect repeated drug use up to 90 days prior to the test. This is possible because drugs present in the bloodstream actually. This type of test can reveal the presence of drug use for as long as 90 days.

A Hair Follicle Test Can Go Back Up To 90 Days.


Hair follicle drug test vs. It depends on the type of test and workplace. However, these tests cannot pinpoint the exact date of.

How Long Does It Take To Get A Drug Test Back?


When hair is tested, they usually test the 1.5 inches closest to the scalp. Depending on the length of the hair collected, it can even. Hair taken from your head will hold evidence of drug use for up to 90 days while hair taken from other parts of your body could hold evidence for up to a year.

A Standard Hair Follicle Analysis Covers A Period Of Approximately 90 Days (3 Months), But Can Vary Depending On The Growth Rate Of The Hair.


If your hair grows quickly, this could be 90 days, if your hair grows slowly, it could be 120. How far back does a hair follicle test detect drugs? While urine drug testing can typically look back a week, hair follicle drug tests have a detection window of 90 days.

Hair Follicle Tests Are Frequently Used To Determine If An Individual Has Used Drugs In The Recent Past.


As mentioned earlier, a hair follicle test can determine drug use in the last 90 days, and it is way better than a urine test. Urine drug test a urine drug test can only detect drug use going back several days, while a hair follicle drug test can pick up on drug use going as. Hair follicle drug tests can determine whether a person has been using certain substances within the past 3 months.