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Testing
Hair Drug Tests
A hair test the most effective form of testing for drugs. Hair follicle drug testing is used to establish constant drug misusers. Although A hair follicle drug test can be dear, it is a very accurate form of drug testing. The need for a hair test has steadily increased lately and is popularly used and approved by the UK courts.
Hair tests not only identifies the presence of a illegal substance, but it can also provide an accurate record of drug misuse. This helps in distinguishing between a one-off user and a sustained substance user, it can also help to monitor abstinance.
Using a small sample of hair pulled from the scalp, about 50 strands or the width of a small pencil, a hair drug test evaluates the number of drug metabolites embedded inside the hair shaft, and can tell you in what time period the drugs were taken.
How Does A Hair Drugs Test Differentiate from Other Tests?
Compared to more traditional forms of testing (i.e, saliva sample testing), a hair drug test can reveal a greater period of drug use. With alternative drugs tests, drugs are undetectable after just a short period of time.
With a hair test, the only issue for exposing 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.
Overall, a hair 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.