Passing a Hair Follicle Testing

Probably the biggest source of concern for many cannabis users is a drug test and how to pass it, particularly hair follicle testing. Although society and legislation have become more accepting of marijuana use, workplace environments aren’t as much. The last thing you want is to lose your job but the more you know how it works, the more confident you’ll be. This will translate to making wiser choices to pass a drug test. In this post, you’re going to learn more about hair follicle testing, how it works, and other useful things about it.

How long does THC stay in the hair?

The first thing that people want to know, regarding how to pass a hair follicle test for CPS, is how long a certain compound such as THC stays in the body. The follicle drug test is not an exception. The presence of marijuana in the body can be detected for 90 days after the last use. 

Why 90 days? How did people come up with that number? The estimated timeframe is calculated based on how long it takes for hair at the root to grow past the scalp. The calculation also takes into account the part of the hair that drug testers inspect. 

Generally speaking, it takes five to 10 days for the hair at the root to push out past the scalp. For the purpose of follicle drug test, you may find here https://internationaldrugpolicy.net/hair-follicle-test the hair sample is obtained from about 1.5 inches from the scalp. If we take into account that your hair grows approximately 0.5 inches a month, then you have 90 days i.e. three months before THC isn’t present in your hair anymore. 

What is a hair follicle drug test?

A hair follicle drug test is a type of test that uses a hair sample, typically from the scalp to screen for drug use. While in most cases hair sample is obtained from the scalp, hair from other parts of the body can be used too, if necessary. Hair follicle test can detect the presence of marijuana, phencyclidine (PCP), cocaine, opiates (heroin, morphine, codeine), and amphetamines including methamphetamines, ecstasy (MDMA), and eve (MDEA). A person may need to undergo a hair follicle drug test for employment, legal, or medical purposes. The test is simple and noninvasive.

Are hair follicle tests accurate?

A hair follicle drug screen can detect whether a person has been using a certain substance e.g. THC within the last three months. However, they’re not entirely flawless. You see, hair follicle tests can’t determine the exact date of drug use. Hair grows at different rates for different people, there’s no “one size fits all” rule here. Despite the fact that hair samples undergo a two-step testing process, they are not 100% accurate. 

Various factors can influence the concentration of drug metabolites present in hair samples such as bleaching or coloring the hair, the structure of drug compounds, the amount of melanin i.e. dark hair pigment in hair, the quantity of substance consumed, and how much you sweat. 

Tricks that won’t help you pass a hair follicle drug test

With a desire to pass a hair follicle drug test you may be tempted to try out different tips and tricks from the internet. Many tips are popular, but completely ineffective. The ineffective tricks for passing a drug test include:

  • Shaving your head – doesn’t work at all. The only thing shaving your scalp can do is to alarm the lab technician that you’re trying to hide something. Plus, if you do so, they’ll just obtain a sample from other parts of the body e.g. chest or armpit. Shaving your entire body will cause even great suspicion and that’s the last thing you want
  • Dying or bleaching your hair – may seem like a good idea, but not exactly effective. Just like shaving, it can also alarm the lab technician that you’re trying to tamper with results

You may want to try shampoo to pass a hair follicle test because it’s convenient, noninvasive, and may help you achieve this goal much more effectively. Hair cleanser for drug test allows you to eliminate the presence of a certain compound in a way that lab technicians won’t notice. 

How does cannabis end up in the hair?

When you consume marijuana (smoke, vape, etc.) you are facilitating the release of the active compounds into the bloodstream. Once these active compounds i.e. cannabinoids are in the veins, they rush to cannabinoid receptors. Then, they attach to those receptors in order to demonstrate their effects. Some cannabinoids such as THC enter the blood vessels that feed scalp cells. During the process, THC basically ends up in the matrix where hair growth happens. Then, hair from the root starts growing and carries THC with it. Even if you don’t use cannabis it can end up in your hair. This happens when you’re interacting with the plant or with people who consume it. 

How long do you have to be clean to pass a hair follicle test?

You will need to be clean approximately 90 consecutive days, i.e. three months, to pass a hair follicle test. Keep in mind that everyone’s hair has a different hair growth rate and this is the average. 

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