Hair Drug Testing Facts

Hair pass drug test is a technical analysis of hair, to identify and determine the presence or absence of specific parent drugs or metabolites thereof. The following discussion of hair drug testing facts open up a world of astounding information relating to drug abuse and how a hair sample can betray the same! Before jumping directly to hair drug testing facts, let us first take a brief glance at what exactly hair follicle drug test is. In a hair drug test, a small sample of hair, either from the head or any other part of the body (excluding pubic regions), are examined to identify specific drugs used by the subject over a period of time. Some Hair Drug Testing Facts Hair Drug Testing Accuracy: Hair drug test information is found to be far more accurate than urine sample analysis when testing for presence of drugs such as cocaine, PCP, opiates and methamphetamine and is considered more effective for detecting low level drug use over a long period of time as compared to urine and saliva tests. Hair Drug Test Cost: One of the most encouraging hair drug testing facts is that it costs lesser than most other conventional drug test methods. The below table gives you an idea:- Drug Minimum Qty Required For Detection Cocaine 100 pg/mg Opiates 100 pg/mg Phencyclidine 100 pg/mg Ecstasy 100 pg/mg Amphetamines 100 pg/mg Marijuana 0.10 pg/mg Methamphetamines 100 pg/mg Quantity of Hair Sample: Approximately 50-80 hair strands at least 2 inches long, i.e. Hair Treatment, Color and Test Results: If you think you can get away and pass the drug test by use of hair coloring products to mask the presence of narcotic metabolites, you couldn't be farther from the truth! (Read through facts about passing drug tests if you want to ;)) Chemical treatment and hair color, whether natural or artificial, has no role in testing for drugs using hair samples.