Major organizations are using pre employment drug testing methods to test their new employees. Organizations test all of their employees to cut down the chances of hazards in the future and to check their employees if they are using any unethical substance. Now days drug abusers use lots of drugs or salts used to create medicine in unethical way. Some of the well-known drugs such as Benzodiazepine, Cocaine, Amphetamine, Methamphetamine, Marijuana (THC), Opiates, Phencyclidine, Barbiturate, Methadone, and Ecstasy etc.

Organizations in contrast clearly mention on their notice board or the papers given to the new employee that they will perform drug testing of the selected candidate. After the successful completion of pre employment drug testing plus if the result of the test is negative then only organization hire the person.

Hair Drug Test

If anyone has used drug then Hair Drug test is the most common and accurate way to check the presence of unethical substances present in a human body. Hair Drug test can show results of up to 3 months. Hair Drug test can be done using some sample of hair of the person. Unlike other test like urine test, hair drug test can show positive results even after 2-3 days. It is an important fact that every half inch of head hair in length provides a 30-day history of drug use.

There are many drugs which can be detected using Hair Drug Test. Some of them are listed below:


Hair Drug test can detect lots more drugs and the way to perform these test is simple too. The person who has to undergo from this test need to provide their hair to start the test and within 72 hours, report will be generated and unlike other drug tests, hair can be used for re-testing purpose.