Best Ways to Pass a Hair Follicle Test for Weed

The Hair Follicle drug test is one of the four tests that can be carried out to detect the presence of substances in your system. In this case, it’s weed. So how can you beat a hair follicle drug test? The question is asked by many users online. Well, there are ways you can go around it.
Before we delve into the best ways to pass a hair drug test in 24 hours, let’s discuss what a hair test is.

What is a Hair Drug Test?

A hair test is carried out to ascertain the absence or presence of drugs such as weed or marijuana in a person’s system. It’s one of the most reliable tests to detect drug usage. The premise of this test is that the substance metabolites gain access to the bloodstream of the scalp. Here, they undergo filtration and storage as a durable record of substance use by the hair.
Many people argue against the hair follicle or hair strand test because it isn’t viewed to ascertain drug usage genuinely. Since these metabolites stay in the hair for a long time after substance use, a regular hair shampoo will be useless in removing them. In addition, a hair follicle drug test takes more time to conduct than other types of drug tests.

What can Hair Drug Test Detect?

This test will pose a problem for employees who have to undergo drug screening when recreational cannabis or marijuana has been legalized in some American states. The substances this drug test can detect include:

  • Cannabis/Marijuana (weed)
  • PCP
  • Cocaine
  • Opioids
  • Methamphetamines

What is the Hair Follicle Drug Test Detection Period?

An individual can use marijuana or cannabis today and still test positive for substance use in a hair drug test some months later. Hair follicle drug test detection times:

  • It takes 5-7 days from the day of use for cannabis of THC to appear in your hair.
  • It takes between 90-120 days from the day it seems to disappear from your hair.

How Long Does Marijuana Stay in Your Hair Follicles?

Cannabis or weed can take as long as a week before it shows in your hair, and when it does, it’s going to be there quite a while. The period THC and weed stay in your hair follicles are determined by some factors. These factors include:

  • Age
  • Gender
  • Manner of substance usage
  • Bodyweight
  • Dosage/quantity of substance
  • Frequency of usage
  • The volume of THC content

The duration of weed in your system has little to do with the substance and more to do with your body’s reaction (metabolism and absorption) to it.
The more doses you take, and the frequency of use can increase the time it will take for the drug to pass out of your system. Also, cannabis with a higher THC level stays longer in your system. Ingestible cannabis also tends to stay longer in your body than pot (smoking cannabis).

How to Beat or Cheat a Hair Drug Test?

hair follicle drug test

Use Detox Shampoo

This method is not perfect, but it’s very effective in passing a hair drug test. Using detox shampoo on your hair gives your scalp a deep cleanse by penetrating your hair follicles to eliminate drug toxins, and it’s one of the best ways to get rid of THC in the hair.
There are numerous hair detox shampoos in the market, but the two recommended ones are:

Macujo Method: Home Remedies

This method is regarded as the most effective because it can help you beat a hair test in just 24 hours. The downside of this method is that it will trigger hair damage. The idea behind this method is that the more hair damage, the lesser the substance metabolites in your hair. So it’s more of a necessary evil: damaging your hair for a good reason. This method opens up your hair cuticles, exposes the cortex, and thoroughly flushes out any metabolites.
It involves items such as:

  • Sacrylic acid
  • Detergent
  • Regular shampoo
  • Detox shampoo

The safest and most effective method of all is abstinence from weed or cannabis.

Hair Drug Test FAQs

  • Is Detox Shampoo guaranteed to beat a hair drug test?
    In theory, yes. But you can fail a drug test if you don’t use the detox shampoo properly. So adhere to the instructions and pay attention to customers’ reviews.
  • Can a hair test ascertain the exact date you used a drug?
    No, a hair test can only detect the period of its use (for instance, three months) but not the exact date because of the varying growth rate of people’s hair.

Comparison of the Best Hair Detox Products

Old Style Aloe Rid Detox Shampoo


  • A very high chance of passing a hair drug test if used properly
  • Very high quality


  • Very expensive
  • Can cause hair damage if Jerry G or Macujo methods are used

Zydot’s Ultra Clean Shampoo


  • Very affordable
  • Very effective in getting rid of drug toxins in the hair


  • It will require multiple washes for hairs with high THC content.

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