All About Hair Follicle Drug Testing
Written by Author on April 5th, 2009Hair follicle testing is the most practicle way of drug testing. Hair follicle testing is used to establish regular drug misusers. The necessity for a hair drugs test has steadily increased recently and is popularly used and accepted by the UK courts.
A hair drugs test not only establishes the presence of an illegal substance, but it can also presents an an accurate historical record of substance abuse. This assists in differentiating between a one-off user and a prolonged substance abuser.
Using a small sample of hair pulled from the scalp, a hair test evaluates the number of drug metabolites compact inside the hair shaft.
How Does Hair Tests Compare with Other Drug Tests?
In comparison to more traditional types of drug testing (i.e, urine sample testing), hair testing can detect a greater time frame of drug use. With other drug tests, drugs are only detectable for a short period of time.
With a hair drugs test, the only limitation for discovering drug usage is the length of the donor’s hair. Every half inch of hair in length provides us with a 30-day history of drug abuse.