How Long Does Marijuana (Weed) Stay in Your Hair?

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So you love your weed, but for whatever reason, you have just learned that you need to take a drug test. It could be because you are about to enter that company you have always wanted to work for. Or perhaps it’s part of your employer’s routine procedure. Or maybe your significant other wants to see just how much pot you actually smoke. Either way, this might set a lot of alarms off in your head.

But that’s not all. Instead of a urine test, it’s going to be a hair follicle drug test. Uh oh.

Don’t worry, though, because there are actually a few methods that could get you through that strand test.

The first thing you need to do is calm down and cut back on the weed for now. After all, you’ll have lots of chances to light up again once you pass. Now, start taking notes because here are a few ways to help you ace that drug test.

How Big of a Pothead Are You?

One-time User

If you fall under this category, then the chances of weed coming up in your drug test are pretty slim. Sure, you can do a hair detox just to be certain. But there really isn’t much to be worried about.

Occasional User

Good news: the hair test can go as far back as around 90 days.

Bad news: even small traces of THC-COOH can be detected during the screening.

That means you might have to do a hair detox before your scheduled drug test, even if you’re just an occasional pot user (learn how to pass a hair follicle drug test here).

Regular User

If you smoke weed pretty regularly, then you’ll have to kick the habit for now, at least until after the drug test. You should do your due diligence and start finding those detox procedures. There should be a few solid ones available on the market, so get on it.

Smoke Weed Every Day

First things first: stop lighting up and start detoxing your body and hair immediately. The detox process may take a few rounds, so if you already have a schedule for the screening, then make sure your hair is clean in time for it (here we have a guide on how to pass a cannabis drug test).

You will have to exert a little more effort over a longer period just to detox your follicles. That’s the risk of taking Dr. Dre’s advice at the end of “The Next Episode.” But at least it will be worth it once you pass, provided that you detox using the most effective ways around.

How Long Does Weed Stay in Your Hair – Drug Detection Table

FrequencyDetection Time
Usage at 1 time only5-8 days
Usage at 2-4 times per month11-18 days
Usage at 2-4 times week 23-35 days
Usage at 5-6 times per week 33-48 days
Daily Usage49-63 days

Not Every Hair Test is the Same

how long does weed stay in your hairHair tests for drug screenings may be different from one another depending on the lab conducting the tests. The person or company requesting the drug test normally chooses the lab where your samples will be sent.

The most common substances these labs will look out for include cocaine, phencyclidine, amphetamines, opiates, and of course, marijuana. Keep in mind that the amount of time your strands will be tested for is more or less 90 days. But in some very unusual cases, there will be some labs that might go as far back as a year in time to check for whatever’s in your system.

You will most likely get your results around three days after submitting your strands for the drug screening. If you don’t receive the results yourself, the company that requested it will receive it on your behalf. They’ll also be the bearer of good (or bad) news.

The normal length of hair that the labs will use is around 1.5 to 2 inches long. If you’re bald or if you decided to shave your head, the lab technician will take a sample from your chest, arms, or legs. Note that the specimen cannot be taken from any other body part other than the ones listed above.

Hair tests are generally considered more accurate than urine tests because most of the follicle drug screens are conducted in the same general manner.

If you want to pass your hair follicle drug test, you’ll need Aloe Rid shampoo, Buy Now From the Official Store. We’ve got an article on it covering a full review and directions of use.

But Are We Sure These Follicle Drug Tests Are Error-Free?

As mentioned above, hair tests are generally more precise when it comes to detecting substances in your system. That’s why more companies are going with them now, instead of the urine tests that some employers still require their employees to go through.

For one thing, checking the follicles can tell you if someone has been taking illegal drugs over the last three months. On top of that, some of these tests can give you information that goes back about a year!

What you have to remember is that THC-COOH—which is the key component that identifies marijuana—gets stored in the follicles. Plus, some tests can determine right away just how frequently and how much you smoked. Your hair test may even reveal information like what other drugs you’ve been using, as well as the respective amounts.

Given the accuracy of these hair tests, especially relative to the pee tests which you can cheat using a homemade fake pee or a synthetic one like quick fix plus or monkey whizz synthetic urine (read full review), we emphasize just how important it is that you detox before you go and get tested. You can start cleansing your strands and scalp of all those toxins with all the available detox shampoos and procedures in the market.

One more thing to note is that even the mere act of walking past someone smoking weed can increase your risk of failing the follicle drug test. Make sure you aren’t physically near anyone lighting up a joint. Let’s say someone near you has been smoking weed; don’t let them touch you until after they’ve washed up and changed their clothes.

We know how hard it is to get a job in this economy, so better safe than sorry.

Can My Hair Be Dandruff-Free And THC-Free?

The short answer is yes. There are various available procedures and detox shampoos that can help you rid your follicles of THC and its byproducts. Here’s the best part: you can detox your hair and scalp right in the comfort and privacy of your own home.

Let’s get this out of the way: some of the best detox shampoos can be pretty expensive. But trust us when we say that it will be worth the extra cost once you pass. Imagine how much money you’ll stand to lose if you fail that drug test just because you didn’t want to invest in the right products to properly cleanse your hair and scalp.

Here are two tried-and-tested methods on our list:

There’s the Macujo Method, which is widely used by those who need to detox before a hair drug test because it’s been proven to work. You will need to follow all seven steps to the letter, but it should be worth your while because the Macujo Method has gotten even the biggest stoners past their follicle screenings.

There’s also the Jerry G Method, which has yielded successful results from the most seasoned potheads. This one has eight steps throughout the process and uses more chemicals than the Macujo Method. So it’ll be a while until your hair goes back to normal after the drug testing.

Both methods are relatively fool-proof and will help you pass that follicle test with flying colors.


old style aloe toxin rid shampooWe RECOMMEND Old Style Aloe Toxin Rida product with not only a guarantee of 99.99% success, but also work with either methods. Being such a simple and effective this product is the best way to clear toxins from your hair when you are in a nasty situation. You can get it directly from their Official Website at a discounted rate (limited supply).

We also reviewed the best home drug test kits, check them here.


To sum it up, it is entirely possible to pass the hair follicle drug test as a regular pothead. You can turn to shampoos to get those toxins out of your hair. They will be a bit expensive, but they also have a pretty good track record of having worked.

And then there are the Macujo Method and the Jerry G Method, which have succeeded even for the stoners who smoke weed every day. If you decide to go through either of these methods, you will have to follow every instruction step by step so you don’t end up failing and screwing yourself over.

Both methods are named after the respective people who discovered that they work; and both methods have been successful for years. But one thing to keep in mind is that if you want to pass that drug test, you’ll have to cut back on the pot and kick the habit—at least temporarily—as soon as you know you’re going to get texted.

Your detox should ideally start around 10 days before the actual test. If you don’t have 10 days, then start detoxing as soon as you are told about the screening.

Make sure you follow all instructions as thoroughly as possible and you’ll be fine. Do not replace any of the ingredients with another component that supposedly costs less because that could mess with your screening and eventually come back to bite you.


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