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Hair Drug Test: How To Pass A Hair Follicle Drug Test Step By Step Guide

If avoiding detection from an upcoming drug screen has been keeping you up at night lately, worry not – just stick around while we guide you through some tried-and-true techniques so 2023 won't have any surprises come crunch time!

Hair Drug Test

Trying to pass a drug test can be really stressful, especially when it stands in the way of you and your goals. Let's face it - getting that positive result is no fun for anyone involved; not only are you dealing with disappointment but there might also be legal consequences too! That’s why we've crafted this post on how to pass a hair test in 24 hours or less. 

So if avoiding detection from an upcoming drug screen has been keeping you up at night lately, worry not – just stick around while we guide you through some tried-and-true techniques so 2023 won't have any surprises come crunch time!

What is follicle drug screening?

A hair substances test analyzes the presence of drugs/ metabolites in a person’s body. Such type of testing has grown popular. It is the most reliable and accurate method of screening. It is due to the fact that the hair follicle drug test detection times window is the longest.  Due to this, the majority of employers and court system workers like this kind of drug testing. Checking follicles is also a less invasive procedure than saliva test or urine test. Also, this type of testing does not demand supervisors. However, it doesn’t make a hair follicle drug test easy to pass. The best way to pass the drug test is to cleanse hair with a specially designed shampoo like Old Style Aloe Toxin Rid which is the oldest known option and therefore, the most reliable. In this article, we’ll provide you with the step-by-step guide on how to pass a hair follicle drug test using this shampoo.


Who have to pass hair screening for substances?

Generally, individuals who are required to take a hair follicle drug test are those working in safety-sensitive positions such as police officers, firefighters, and other first responders. Job applicants within certain fields may also be required to go through a hair follicles drug screening process, such as those within the aviation industry or medical field.

●    Athletes involved in professional sports or college sports may also have to take a hair follicle drug test so that they can remain compliant with the terms of their sport and avoid any potential sanctions.

●    Military personnel may also be subject to random or pre-deployment hair follicle drug testing in order to ensure adherence to regulations concerning substance abuse and performance-enhancing drugs.

●    Hair follicle drug tests may also be used for employees of companies who work with hazardous materials or operate heavy types of machinery, such as truck drivers, miners, and oil rig workers, in order to ensure their safety on the job site and mitigate any potential risks associated with the impaired judgment due to substance abuse. It’s often recommended to use cleansing shampoos like Zydot Ultra Clean periodically in such work conditions to feel confident before and during the unexpected hair drug test.

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●    Individuals assigned parole or probation from the criminal justice system may also receive periodic hair follicles tests as part of their supervision requirements in order for authorities to ensure that they remain abstinent from illicit substances during this period of monitoring and rehabilitation.

●    Employees within certain industries that require physical contact between customers and employees (such as nursing homes) may also undergo routine hair follicle testing in order to provide an extra layer of security for vulnerable individuals under their care and protect them from any potential harm caused by individuals potentially impaired judgment due to drug use while on the job site.

●    People involved in therapeutic programs related to overcoming addictions (such as AA or NA) may undergo periodic hair follicular testing as part of their sobriety requirement so that they can chart progress toward recovery goals set by therapists at these facilities while avoiding any risk associated with continued substance abuse.

●    Parents of children going under custody battles may also be subject to periodic hair follicles tests in order for courts to assess whether either parent has been using any form of illegal substance prior to or after filing for divorce proceedings so that authorities can make informed decisions about child custody rulings based on these results.

●    Finally, people undergoing treatment for certain medical conditions such as cancer may be asked by doctors for a one-time hair follicles test so that physicians can determine if there are indications of recent substance use which could interfere with the efficacy of treatment prescribed. Also, a urine drug test can be required additionally to check the percentage of drug remnants in the system. If the percentage is high, the physician may prescribe detox pills to eliminate toxins from the body. Toxin Rid is most common working option in such cases.

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How does drug testing on hair work?

If you smoked, cannabis absorbs into your bloodstream. After that, it spreads to the whole body.  Some time ago, metabolites will reach your hair. It reaches follicles through oils secreted by the glands on your scalp. THC metabolites can remain there for months and can appear in the outcomes of the drug test.

If you’re anticipating a drug screening, you’ve wondered: how far back do hair follicle drug test go? To answer this question, we’ll need to review the main principle behind a strand test.

The technician will cut 1.5 inches of hair close to the scalp for a hair drug test.A 1.5-inch strand identifies the presence or lack of substance use within the previous 3 months. If you’re questioning how long does THC stay in your hair, it would show the usage of marijuana within the previous 90 days.

What Is Tested for in a Hair Drug Screen?

A hair follicle substances  test can screen for:
●    Cannabis
●    Cocaine
●    Amphetamines ( Ecstasy, Methamphetamine, and MDMA)
●    Opiates (also Heroin, Morphine, and Codeine)
●    PCP (Phencyclidine also known as Angel Dust)

Unlike urinalysis, blood, and saliva tests, a hair drug screen can show the fact of use and the suggested quantity. That’s why, it’s important to not only cleanse hair and scalp thoroughly but also detox the body. One more reliable option to flush toxins is Detoxify Mega Clean .

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What is the Testing Process For a Hair Drug Screening?

Technicians conduct hair testing in the lab or at a hospital. In some instances, the hair sample may be collected in the workplace, before being sent off to the lab.

Typically, samples are collected from the scalp. They need 100 milligrams of hair or 100 - 120 hair samples.

Well, what takes place if you’re bald or the hair on your head is not long enough? In such cases, body hair from arms, legs, chest, and even underarms would be used for drug screening. Keep in mind that this type of hair can reveal substance use that goes as far back as one year.

What is the hair drug test protocol?

Hair follicle drug/metabolites tests are conducted in two steps.

●    First, “ELISA”, an enzyme-linked immunosorbent assay test is conducted, and this yields a positive or negative result. In the case of a positive ELISA test, the technician will retest the sample.

●    The second confirmatory test is “GC-MS”:  mass spectrometry using gas chromatography. This is essential for investigations of false positive cases.
The hair follicle test results level chart below shows the cutoff levels for ELISA and  GC-MS tests. The confirmatory test will only be conducted if your initial test levels are above the ELISA cutoff.


On this stage, samples are observed very attentively. So if an individual didn’t cleanse his or her hair with a special shampoo that can eliminate toxins effectively, he or she risks to get positive results.

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There is the list of drugs that can be detected:

●    Drug Class
ELISA test cutoff
GC-MS Cutoff
●    Marijuana
1 pg/mg hair
0.30 pg/mg hair
●    Opiates
300 pg/mg hair
300 pg/mg hair
●    Amphetamines
500 pg/mg hair
500 pg/mg hair
●    Cocaine
500 pg/mg hair
500 pg/mg hair
●    PCP
300 pg/mg hair
300 pg/mg hair

Common fails of passing a follicle drug test

Before we answer the question: “how can you beat a hair follicle drug test”, let’s first review the most common mistakes.

●    Shaving your head. Common urban legend says that you can fool the screening by going bald. The belief is that, if no hair is on your head, it becomes impossible to administer the test. This is only a pervasive myth. Impossible to pick enough hair from your crown? They can opt for body hair from your arms, legs, or even pubic region. Do not waste time waxing every single hair off. You are only giving the company more reason to think that you’re trying to avoid the drug test.

●    Eating particular types of food. The internet is filled with info that certain types of food can help you get a negative drug test. Following these unfounded claims will only cost you opportunities.


●    Eliminating THC by “Washing” it out of your hair. Simply washing your hair will not get rid of the drugs from your hair.  The most efficient method of passing any drug test is abstinence. However, if you have used it in the last three months, there are detox shampoos and tested methods that work.

●    You are not sober. Sounds pretty obvious? Not for all. Some people think that THC detox drinks are marvelous potions. That is why they can not stand drugs even for a day. Start taking drugs ASAP you get to know about upcoming screenings.

●    Taking specific pills. Certain medications such as ibuprofen or naproxen can potentially interfere with the accuracy of hair follicle testing results and lead to a false-positive result. 

●    Secondhand smoke. Inhalation from individuals smoking marijuana nearby can also lead to odd readings on hair follicle tests if those molecules become embedded in one’s own hair strands due to proximity or physical contact between individuals smoking marijuana and those being tested for its presence in their system. 

●    Poor hygiene.  If you wash your head rarely, sebum and scales may preserve metabolites of cannabinoids.
Macujo Method as a solution
Passing or failing a drug test can be a life-altering moment. You need to secure your dream job. Or it is anxious if you’re facing a pending court decision.

It’s important to know exact steps in how to pass a hair follicle drug test in 2023 successfully, especially since these tests go back 3 months in time. Fortunately, the Macujo method offers drug users a lifeline.

This method is a popular hair detox routine that has been around since the early 2000s. You will use strong ingredients to break down the hair cuticle and rid of drug metabolites. Due to using of powerful chemicals, you need to apply conditioner on your hair all the time to minimize damage. Over the years, the Macujo method has helped countless users pass the dreaded hair test

Note that this method is only working approach for hair drug testing.

Which Ingredients do you need for the Macujo Method?

The effectiveness of the method hinges on the ingredients used. Here is exactly what you need to eliminate drug metabolites from your hair.

●    Heinz vinegar – this brand is recommended as it has a significant amount of acetic acid.
●    Clean and Clear deep cleansing solution
●    Zydot Ultra Clean kit
●   Detox shampoo , i.e., Old Style Aloe Toxin Rid shampoo
●    Tide laundry detergent
●    Shower cap
●    Rubber gloves to protect your hands.
●    Goggles to protect eyes ( optionally)

Macujo Method: Steps And Directions

You have to stop using any substances while you prepare for your drug test. Follow these steps precisely for a better chance of beating the test.
●    Use warm water to wet your hair. You want it to be damp rather than drenched. 
●    Coat your hair with a generous amount of Heinz vinegar and thoroughly massage it into your scalp. You may experience a mild burning sensation and this is commonplace.
●    With the Heinz vinegar still in your hair, saturate with the Clean and Clear solution and thoroughly work it into your hair.
●    Put your shower cap on and leave this combination of productions in your hair for 30 minutes. This gives the ingredients ample time to penetrate all the layers of the hair shaft.
●    Take the shower cap off 30 mins ago. Wash out the mixture using warm water.
●    Use THC detoxifying shampoo – Old Style Aloe Rid shampoo – for two rounds of washing.
●    Apply and thoroughly massage Tide detergent to the entirety of your hair.
●    Rinse it off using warm water.
●    Finally, wash and rinse your hair using the Zydot Ultra Clean kit.

Ideally, you need to repeat this process once per day for at least 7 days before submitting a sample. This gives you enough time to clear chemicals and impurities from your hair.

However, what if you have less time to be ready for your drug test? It’s in fact possible to speed up the Macujo Method to suit a tighter timeline. You’ll need to follow the instructions above thrice daily for a duration of 3 days. This condensed procedure increases the risk of damaging your hair.

Jerry G Method - plan B

The Jerry G method is another effective solution for clearing drug toxins from your hair. By the name, you can tell who invented this method. This idea was brought forward by a weed enthusiast who went by the name ‘Jerry G’ in 2008.

Jerry G’s technique works by using powerful ingredients that break down the hair cuticle. These chemicals penetrate all the layers of hair before eliminating drug residues. This process has yielded successful results when used to cleanse hair of weed metabolites. Note that this procedure will take a minimum of 10 days to complete. It’s also common for this process to result in significant damage to the hair.
Which Ingredients do you need for the Jerry G Method?
Here is the complete set of items you require to get a negative drug screen when following the Jerry G method.

Permanent hair dye containing ammonia, and closely matching your usual hair color.
●    Old Style Aloe Toxin Rid shampoo
●    Zydot Ultra Clean shampoo
●    Peroxide Bleach
●    Baking soda paste
●    A set of combs, brushes, towels, and hair accessories to prevent re-contamination.

Jerry G Method: Steps And Directions

To provide reliable results, it's advised to be sober for at least 10 days off ahead of time. Also, follow the instructions carefully. The cuticle will open to reveal a revitalized look! 
●    Dye your hair using a permanent dye that contains ammonia.  Ammonia may be irritating, but we need it to open the hair cuticle. That is the key to flushing drug toxins out. Remember, if your hair color is dark, it will arouse suspicion.
●    Upon dyeing your hair, use Old Style Aloe Toxin Rid shampoo to wash your hair and thoroughly rinse it out. Leave your hair to air dry after the process as a blow dryer may further damage your already fragile hair.
●    Wait 10 days and then repeat steps 2, 3, and 4.
●    NB! Prepare a baking soda paste the day before screening and apply it to each hair strand. You need a lot of paste. Give it fifteen minutes to "sit” to neutralize any acidic substances.
●    Wash the baking soda paste out using Old Style Aloe Toxin Rid Shampoo. Massage your hair and scalp thoroughly to get rid of any baking soda residue.
●    As a final step, use Zydot Ultra Clean for one more round of washing. And that’s it! You’re now set to submit a clean sample for your hair drug screening.

Old Style Aloe Toxin Rid Shampoo

The Old Style Aloe Toxin Rid shampoo is a main component in the renowned Macujo and Jerry G methods. It is considered as the best detox shampoo to pass a hair follicle drug test.

Let’s take a quick look into the background of Old Style Aloe Toxin Rid shampoo.

Initially known as Nexxus Aloe Toxin Rid shampoo, this product was developed by Nexxus. It is a subsidiary of the Unilever brand. The target audience was swimmers dealing with chlorine buildup in their hair. They have to spend hours in the water daily.

Now, chlorine can be a difficult substance to eliminate from hair. That is why shampoo had to be powerful. The product was too powerful. Users were reporting damage to their hair after several months of usage.

The Nexxus shampoo was rebranded as Old Style Aloe Toxin Rid Shampoo and is now produced by TestClear.

How does the Old Style Aloe Toxin Rid Shampoo Work?

A single strand of hair is made up of three layers:
●    Cuticle, external layer
●    Cortex
●    Medulla, innermost layer.

While regular shampoos are only capable of cleaning the hair cuticle, this hair follicle drug testing shampoo penetrates the hair shaft. It removes impurities from both the cortex and the medulla. If used correctly, it can be used for a hair follicle drug test.

A major component in Old Style Aloe Toxin Rid shampoo is Propylene Glycol. As an ingredient that has strong detox capabilities.

How much does Old Style Aloe Toxin Rid Shampoo Cost?

You can purchase Old Style Aloe Toxin Rid shampoo from Testclear at a cost of $235.90 price tag. However, the price is certainly on the higher end, this detox shampoo has proven effective time and time again.

Zydot Ultra Clean

The Zydot Ultra Clean kit is a 3-in-1 detox product that was formulated by Zydot. Its purpose is straightforward – to help drug users strip impurities and toxic residues from the hair shaft.

This product has been scientifically proven to remove 36% of THC in one round of washing. It is a key ingredient in the Macujo method, which is hailed as the best way to pass hair follicle drug test. 

How does Zydot Ultra Clean work?

Zydot Ultra Clean kit comes with three essential components and each serves a specific purpose. These are:

●    Shampoo
●    Purifier – cleansing agent penetrates deep into the hair follicle and shaft to eliminate chemical build-ups.
●    Conditioner – Zydot’s conditioner has been developed to help with detangling

Aloe Vera gel is the component in Zydot’s shampoo, purifier, and conditioner, and it helps the products penetrate the scalp. Other key components of the shampoo purifier are Propylene Glycol and EDTA.

In case of moderate or high toxin levels, combine Zydot Ultra Clean with Old Style Aloe Toxin Rid shampoo.

How much does the Zydot Ultra Clean kit cost?

This 3-in-1 kit costs $35.95, which is a reasonable price tag for an effective detox shampoo. You can purchase this product from testclear.com, zydot.com, Amazon, and Walmart.

The Pros and Cons of Employee Hair Drug Testing

Statistics show that 70% of illicit drug users also hold a job. Due to such numbers, some employers opt to screen employees. They seek to maintain a drug-free workplace environment.

For decades, the inexpensive urine drug test has been the screening method of choice for employers in most industries. However, there has been a shift lately, with more and more employers opting for the hair follicle test. This can be attributed to the fact that this method gives a 90-day view of drug use history and it’s highly accurate. 

Some of the most recognizable brands that typically administer hair drug screens are Waffle House and Jiffy Lube.

Which Employers Use Hair Drug Tests?

You’re likely to come across this type of testing if you’re working or seeking a job in a high-risk industry. Remember, every employer has their own drug policies.

Let’s take a look at some industries where hair is commonly tested to identify substance use. 
Trucking and Transporting

There is no denying that transport jobs are quite sensitive. Driver needs to be aware a all times for their safety and that of their passengers and other road users.

For truckers, work entails ferrying goods and spending long hours on the road. In the other case, disaster may happen.

It’s therefore no surprise that many employers in this industry are on the lookout for substance use. Here are some of the trucking companies that issue hair drug tests.
●    AAA Cooper
●    USA Truck
●    Crete Carrier
●    Roehl Transport, Inc
●    Knight Transportation
●    TransAm Trucking
●    ABF Freight System
●    Western Express
●    Acme Truck Line
●    Rush Trucking


Construction is another high-risk industry. A lapse of judgment, especially when operating heavy machinery, can cause serious injuries and/or losses. Contractors want to minimize workplace accidents. Opting for drug screens, with a hair drug test being deemed most effective.

Financial Industries

Working with finances presents a different kind of risk. Money is the lifeblood of any business, and financial decisions can make or break a company. Employers in this industry, tend to test for drug use, as a misstep can cripple operations.

Federal Workers

In the USA, more than 50% of states have legalized the use of marijuana for medical purposes. Further, there has been a steady increase in the number of states that have legalized non-medical adult use of weed. However, at the federal level, marijuana use remains illegal. And as a federal worker, you’re required to observe federal rules.

If you’re working for the federal government you may be required to take and pass a hair follicle drug test.

Manufacturing and Shipping Warehouses

Working at a manufacturing plant or a shipping warehouse can be a fast-paced job that often involves the use of heavy machinery. Employees need to stay sharp and attentive at all times.

Therefore, if you’re driving a forklift or operating other heavy machinery, it’s only natural for employers to test for substance use. Drug screens also serve to keep a company’s insurance costs low. Which business does not like saving money? 

When Do Employers Administer Hair Drug Tests?

Hair follicle drug screens are more suitable for some kinds of tests and less than ideal for others. For instance, this method is not optimal for post-accident drug screening.  That is why it takes 5 to 7 days for drug metabolites to show up in your hair.

Let’s now review some situations when employers tend to opt for hair testing.

Pre-employment Drug Tests

As part of the hiring process, pre-employment drug tests is used to determine if they’ve recently used drugs. The results of this test will determine whether you’re offered the job. A hair test provides employers with a historic pattern of drug use that goes back 90 days and aids in assessing potential hires.
Random Drug Tests
As the name might suggest, random drug tests are more spontaneous. They usually involve selecting employees at random from a testing pool.

Other Occasions When You Need to Pass a Hair Drug Test

Hair testing is administered at the request of employers. Other instances that may necessitate this type of drug screening include:

●    Court Order
Courts may order drug tests during custody battles, as a probationary condition. Also, it is used for substance abuse issues and other disputes. Hair screening may be conducted during these instances, and failing this test may have legal ramifications.

●    Addiction Recovery Centres
Addicts on the recovery path may be requested to undergo drug screening every now and then if they’re in a recovery program. This helps the center better understand their progress.


Can a hair follicle test detect one-time use?

No, it’s unlikely. The substance concentration resulting from a one-off use of a drug will not be high enough to identify using a hair test.

Is Old Style Aloe Toxin Rid Shampoo effective?

Yes. A lot of substance users have undergone screening and returned a negative result after  using this product, especially as part of the Macujo Method.

Can Aloe Toxin Rid Shampoo be used for all drugs?

You can use this hair detox shampoo to strip traces of cannabis, opioids, cocaine, PCP, and amphetamines from your hair. These are the substances that are typically screened for during hair testing.

How long does marijuana stay in your hair follicles?

As is the case with other substances, a hair test can determine if marijuana has been used within the previous 3 months.

How long does Zydot Ultra Clean last in your hair?

If used as a stand-alone product, the detox effects of Zydot will last up to 24 hours. You’ll, therefore, need to submit a hair sample within this timeframe.


Hair follicle drug test can be a stressful affair, especially if you have indulged in the recent past. Do not worry.  Substance use does not  doom you to the dreaded positive results. Using the right detox shampoo and the right set of instructions, giving a great chance of beating any hair test thrown your way. And if you’re wondering how to pass a hair follicle test in 2 days, the Macujo Method is your best bet. Jerry G method is also effective, however, it will require a significantly longer preparation window.

And there you have it! This concludes our definitive review on how to pass a hair drug test in 2023.

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