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Hair drug testing is the most accurate and effective method of drug testing. Hair tests are used to identify constant substance misusers. Although Hair drug testing can be pricey, it is a very accurate form of drug testing. The demand for hair follicle drug testing has steadily heightened recently and is popularly used and recognized by the UK courts.

Hair testing not only ascertains the presence of a illegal drug, but it can also provide a specific record of substance abuse. This helps in distinguishing between a one-off user and a continuous substance user, it can also help to monitor abstinance.

Using a small sample of hair cut 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 Tests Differentiate from Other Tests?

Compared to other types of testing (i.e, saliva testing), a hair test can expose a greater period of drug use. With alternative drug tests, drugs are only detectable for a short period of time.

With a hair drugs test, the only time limitation for revealing drug usage is the length of the donor’s hair. Every half inch of hair in length gives us a 30-day history of drug use.

Overall, hair testing 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.