Hair drug tests are the most useful way of carrying out a drug test. Hair tests are used to establish unrelented substance users. Although A hair test can be costly, it is a very accurate form of drug testing. The demand for hair follicle drug testing has steadily heightened lately and is mainly used and accepted by the UK courts.

A hair test not only establishes the existance of a illegal substance, but it can also presents an accurate historical record of drug use. This assists in differentiating between a one-off user and a chronic substance user, it can also help to monitor abstinance.

By obtaining a small lock of hair pulled from the scalp, about 50 strands or the width of a small pencil, a hair drugs test evaluates the number of drug metabolites compact inside the hair shaft, and can tell you in what time period the drugs were taken.

How Does Hair Drug Testing Compare with Other Drug Tests?

In comparison to different forms of drug testing (i.e, saliva testing), hair drug tests can identify a bigger time frame of drug use. With alternative drugs tests, drugs are only detectable for a small time frame.

With hair tests, the only possible problem for uncovering drug usage is the length of the donor’s hair. Every half inch of hair in length provides a 30-day history of drug abuse.

Overall, a hair drugs test is best to use when trying to establish the time frame of drug abuse and to get a test that will stand up in court. It has both advantages and disadvantages including being very accurate but expensive, it stands up in court but it only tests for one drug per payment. There are many companies that specialise in drug testing, who would be more than happy to give advice on hair testing, any drug tests or queries about drug testing or drugs in general.