A hair test a revolutionary way of testing for drugs. A hair follicle drug test is used to establish repeated drug misusers. The need for hair drug tests has steadily increased lately and is popularly used and autherised by the UK courts.

A hair drugs test not only establishes the existance of an illegal substance, but it can also presents an an accurate historical record of substance abuse. This helps in differentiating between a one-off user and a sustained substance abuser.

By obtaining a small lock of hair collected from the scalp, hair drug tests assesses the number of drug metabolites compact inside the hair shaft.

How Does Hair Tests Compare with Other Drug Tests?

In comparison to more traditional forms of drug testing (i.e, saliva sample testing), hair tests can uncover a greater time frame of drug use. With other drugs tests, drugs are only detectable for a short period of time.

With a hair follicle drug test, the only limitation for discovering drug usage is the length of the donor’s hair. Every half inch of head hair in length shows a 30-day history of drug abuse.