All You Need to Know About Hair Follicle Drug Test

All You Need to Know About Hair Follicle Drug Test

Hair follicle drug test is a prevalent method of screening among American employers. It was designed to determine the employees’ involvement with illegal drugs. To detect drugs or other illegal substances, the test needs a sample of the person’s hair. Hair follicle test is a very accurate method of screening; it detects substance abuse even at low levels. Whether employers or parents decide to check you for marijuana abuse, take into account that drugs may stay in our system up to 90 days depending on the particular physiological qualities of your body. Want to know some more interesting facts? Then keep reading.

Facts you did not know

– Hair follicle drug testing works on the basis of enzyme-immunoassay. What is that? Well, it is nothing but a simple method of measuring the traces of different substances in the hair follicles. The molecules of drugs and other substances are absorbed into our bloodstream and then are trapped in hair follicles. Nothing magical.

– Worried about which types of drugs can be detected? Here are the most widespread of them: cocaine, marijuana, morphine, ecstasy, phencyclidine.

– The approximate period covered by the hair follicle test is 90 days. Men have a chance to shave off their hair to hide drug use, while women have to use hair follicle drug test shampoo, which may not even help.

– When it comes to determining when exactly the drug was consumed, the scientists cannot give a precise answer. The reason is that each individual has an absolutely different hair growth rate.

– For a standard drug test, 60 milligrams of hair are required. That is equal to one hundred strands of hair with the length equal to 1.5 inches.

– In case you have thin hair on your head or you are bald, it can be taken from other parts of the body, like arms and legs.

– The use of different chemical treatments has no effect on the results of the drug test.

– The law obliges the lab to keep the test results for three years.

The technologies of drug testing are developing every day, so think twice before you do something to make your employer suspect you in marijuana abuse.

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