Hair drug tests are the most trusted form of doing a drug test. Hair follicle testing is used to identify regular drug users. Although A hair follicle drug test can be pricey, it is a very accurate form of drug testing. The need for hair drug testing has steadily heightened lately and is widely used and recognized by the UK courts.
Hair drug testing not only determines the existance of a illegal substance, but it can also provide an accurate record of substance use. This helps in differentiating between a one-off user and a chronic substance user, it can also help to monitor abstinance.
By using a small tuft of hair obtained from the scalp, about 50 strands or the width of a small pencil, a hair follicle drug 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 A Hair Drugs Test Differ from Other Tests?
Compared to more traditional varieties of drug testing (i.e, urine sample testing), hair drug tests can expose a bigger period of drug use. With other drug tests, drugs are only detectable for a small time frame.
With hair testing, the only limitation for discovering drug usage is the length of the donor’s hair. Every half inch of hair in length shows a 30-day history of drug misuse.
Overall, a hair drug 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.
