Facts About Hair Follicle Drug Testing You Should Remember

Drug Testing

If you wish to get a new job, promotion, or stay working, you have to pass a mandatory drug test that companies are implementing to protect their working places.

For instance, in the USA, hair drug testing is becoming more and more popular when compared with other ones such as blood and urinalysis for numerous reasons.

The main idea is that you will get an ability to check the presence of long history drug use since hair tends to store a more extensive history that will help you determine patterns of abuse.

At the same time, it is almost impossible to cheat it, because everything will be administered in a protected environment by taking a sample from a head scalp or other parts of the body.

Finally, other tests are not efficient and reliable as they were before, especially since numerous products entered the market such as synthetic powders and urines, with an idea to help you pass the test with ease.

That is why you should check out this site: so that you can see the best brands for drug test on the market. According to most scientists, HR departments use hair screening as the most efficient and effective method when compared with others.

How Does It Work?

A hair analysis is straightforward when it comes to its process and application. The things you consume will enter your bloodstream, fill a hair follicle, and become the part of newly grown hair.

Therefore, when you smoke weed, for instance, the THC will enter your bloodstream and finish as the part of your hair shaft, through follicles that are beneath it.

As it grows, the traces of metabolites will pass from follicles to the hair and present a record of your drug abuse in the last three months or ninety days.

You will arrive at a test location, and the administrators will use a small sample from the back or top of your scalp and right to the skin line. They will place the specimen in a specially made container for this particular purpose.

Have in mind that they will take a sample of 1.5 inches of hair since it tends to grow approximately 0.5 inches every month, so that will give them ability to see what you consumed in the last three months.

They will take the specimen into the lab to check the traces of various chemicals inside. Remember that turnaround time tends to be up to three days from the testing day. Check here, to understand everything about hair analysis.

Another important fact that you have to remember is that follicle drug test is specially made to detect the patterns of drug abuse, which means heavy users and not occasional people that smoke weed.

Therefore, employers are combining urinalysis with this particular type of screening so that they can get the best possible results for both short and long-term history of use.

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Even though in theory, it can detect up to one year of consumption, and in some severe cases, many more than that, the highest accuracy is limited to three months.

When compared with that, blood tests, as well as a urinalysis, cannot check the past usage, but only drugs you consumed in the last few days. That is the main reason why most employers are turning to hair test instead.

The interesting consideration is the process that will help you grow your hair. Have in mind that drug test can tell your employer whether you used something and stopped, but they cannot detect the timeline of consumption.

You will need at least five to seven days so that drug metabolites can enter your hair because that is the timeline from consumption until the new hair starts growing on your shaft. From that point, drug traces will be the part of your hair until you decide to cut it.

In case your hair is too short, technicians can easily take samples from other parts of your body such as arms, backs, chests, and even pubic area.

Remember that drug test features the same level of accuracy as other testing methods, but it has a higher advantage when it comes to checking out the long history of drug abuse. According to most drug testing companies, the reliability of hair analysis is 99%.

How to Pass Hair Drug Test?

1.   Abstinence for Four Months

Even though it is the most logical reasoning when it comes to this particular way of removing unwanted compounds from your hair, in most cases, people do not have enough time to do it.

However, if you are worried whether you will be able to keep or get your dream job or risk losing a case, then the best and most efficient way is to stop with drug consumption for at least four months.

For instance, if you smoke weed regularly, you will require at least ten days to drop the drug traces from your blood as well as another 100 days for it to grow approximately 1.5-inches from your scalp, which is enough for testing.

The main problem is that you will not be able to wait that long, which is why they choose other methods instead. We recommend you to visit this website:, and you will be able to learn how to pass this particular drug test.

2.   Shave Everything

As soon as the tests entered the market at the beginning of new millennia, it was highly apparent to everyone around us that the most effective way to beat it is to completely shave your hair on your body and stop with consuming anything.

Even though it is useful, the results you create with this particular behavior may affect your future in the company.

The first thing that employer will think when he sees you wholly shaved is that you wanted to avoid getting test, so you have to explain why did you do it and what were your reasons in general. Apart from that, employers also know about this particular hack that you can do, so if they cannot get a specimen from your body as well, they will conduct another method such as blood or urine, so if you consumed something a few days back, you would still fail it.

Bharat Vashistha

The author Bharat Vashistha

I am professional blogger and content writer from past 5 years working for many business organizations i.e. education, healthcare and many more

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