A hair drug test can be used for detecting both parent drugs and their metabolites that is present in the hair specimen. This is collected from the head or body of the donor. It is capable of offering a 90-day look back.
It takes about 5 days after your last drug intake to above the scalp and then stays there for about 90 days. Hence, if any specimen is collected outside the window then the test might not be able to detect the drug. No regular shampoos or hair chemical is capable of removing the drug metabolites from the hair shaft.
How Long does Drugs Stay in the Hair?
The drugs that you take can stay in the hair for about 90 days and thus, you will not be able to clean it up easily. The drug testing labs can make use of a series of screening procedure for detecting and then confirming the presence of drug in the hair follicle.
How to Pass a Hair Sample Drug Test?
The hair drug detection test is more effective than other methods of drug testing. Many employers are making use of this drug testing method on their employees. This might prompt you to consider how to pass a hair drug test if you do drugs. Here are some simple ways by which you can get rid of the drug metabolites and pass the drug test.
- The best method is to shave off the hair on your body and head before a drug test.
- You can also use a detox shampoo for cleaning the drug metabolites from the hair.
- It is also a good idea to use a home cleaning regime to get rid of the drug molecules.
- You can also stop taking the drug 100 days before the test. However, this will not help if you have a shortage of time.