Taking illegal drugs that are typically against company policies, this is why employers require their applicants or employees to undergo testing if they are positive of consuming illegal substances. A hair drug test is also administered among the different types of tests like blood test and urine test. According to laboratory testing sites, hair drug test is the most accurate and less invasive form of test.

They claim that there is no way a person can tamper or cheat the test. While hair drug testing is very difficult to pass if one used or is currently using drugs, it’s still possible. This article will try to help you pass a hair drug test.

To answer the question how to pass a hair drug test, one must first have a knowledge how labs detect drugs in hair. Any toxin grows into the hair shaft. Cortex is what the inner shaft of the hair is called. It is deposited into newly grown hair strands because drug metabolites are deposited in the hair shaft. The metabolites are pushed towards the outer edge of the cortex as the hair grows. Metabolites are not the only thing that can be detected by analysis, with the help of technology it can also provide information like the quantity consumed and the history of use.

To get the most accurate reading labs only look back 90 days from the date of the sample was taken, because drug metabolites tend to wash out after 90 days of growth, which is approximately 1 ½ inches of hair.

On how to pass a hair drug test, there has been a lot of suggestions and advice, most of them are home remedies like lemon juice method and Macogo method. There are also products that are being sold that guarantee success like masking shampoos and other detoxifying products; unfortunately, tests have shown that they only achieved minimal success.

According to some people who went out of their way just to pass a hair drug test is to apply a coal tar shampoo, then rinse at least 6 times and lastly make use of a strong acid to penetrate the cuticle and purify the outer cortex. To really penetrate the cuticles one must need a strong industrial prepared acid. Toxin Wash is the most recommended detoxifying shampoo by the experts.

The next best thing after passing a hair drug test is to stay away from drugs and refrain from using them because you may get away once with this technique but like what the disclaimer of the shampoo says, it is not 100% full proof.