Hair follicle testing is the most practicle form of carrying out a drug test. Hair drug testing is used to determine persistent drug misusers. Although A hair test can be dear, it is a very accurate form of drug testing. The necessity for a hair follicle drug test has steadily elevated in recent years and is mainly used and accepted by the UK courts.
A hair follicle drug test not only ascertains the residence of a illegal substance, but it can also accommodate an accurate record of substance misuse. This assists in distinguishing between a one-off user and a routine substance abuser, it can also help to monitor abstinance.
Obtaining a small lock of hair collected from the scalp, about 50 strands or the width of a shoe lace, hair testing assesses 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 Follicle Drug Test Differ from Other Drug Tests?
Compared to different forms of testing for dugs (i.e, urine sample testing), hair testing can detect a bigger period of drug use. With other drugs tests, drugs are undetectable after just a short period of time.
With hair tests, the only possible problem for uncovering drug usage is the length of the donor’s hair. Every half inch of head hair in length provides a 30-day history of drug misuse.
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.