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Hair follicle drug testing is fast and provides more accurate result than any other drug test forms. It can detect all of the major types of drugs, including marijuana, opiates, methamphetamines, PCP, ecstasy, and cocaine. It can also trace the amounts of illicit substances trapped in the cortex of the hair. Once a hair sample of the suspected individual is collected it is preserved in a sachet and sent to a partaking laboratory for drug testing. The process is quite simple and easy and requires a sample of hair in order to accomplish the test. One of the most popular way of drug testing is hair sample drug testing as it has the capacity to detect the presence of drug in the persons body whether or not the same person has used drugs in the past 3 months. Hair follicle drug testing is a great way to detect the presence of drug in the hair of an individual undergoing the test. All this proves that exposure area is much larger in hair drug testing. Hair follicle drug testing gives the information of an individual's drug use history. | instant ocean nitrate test kit refill (20 pk) instant ocean ammonia test kit refill (20 pk) instant ocean ph test kit refill (20 pk) instant ocean calcium test kit (20 pk) io reagent nitrite refill instant ocean ammonia/nitrite test aqua pharmaceutical master test kit freshwater test include freshwater ph chlorine ammonia nitrite and water hardness a complete test kit for testing tap and io test kit calcium brine shrimp soft gel 2.82 oz - 20 pk pacific krill soft gel 2.82 oz - 20 pk herbivore seasweed soft gel 2.82 oz - 20 pk hagen test kit nitrite io ocean master test omnivore marine blend soft gel 2.82 oz - 20 pk instant ocean ocean - master test |