Hair follicle testing
A hair drug test is the most precise procedure of testing for drugs. Hair drug testing is used to prove constant drug misusers. Although A hair drug test can be costly, it is a very accurate form of drug testing. The need for a hair test has steadily heightened in recent years and is generally used and autherised by the UK courts.
Hair drug testing not only determines the existance of a illegal drug, but it can also provide a precise record of substance use. This helps in distinguishing between a one-off user and a ceaseless substance misuser, it can also help to monitor abstinance.
Using a small tuft of hair pulled from the scalp, about 50 strands or the width of a shoe lace, a hair drug test assesses the number of drug metabolites set inside the hair shaft, and can tell you in what time period the drugs were taken.
How Does Hair Drug Tests Compare with Other Drugs Tests?
In comparison to different forms of testing for dugs (i.e, saliva testing), a hair drugs test can detect a bigger time frame of drug use. With these other drug tests, drugs are undetectable after just a small time frame.
With a hair drugs test, the only limitation for uncovering drug usage is the length of the donor’s hair. Every half inch of head hair in length gives us a 30-day history of drug abuse.
Overall, hair tests 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.