October 19th, 2010
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The various facts about hair follicle drug test
Hair drug testing can identify drug use over a great deal longer period of time which is frequently utilized for extremely safety significant positions where there is no acceptance of drug abuse. A typical hair follicle test can detect the use over a period of thirty to ninety days. The growth of hair is generally at the rate of half an inch per month. This is significant since because of slow growth, the toxins remain longer in hairs which are nothing but dead discarded cells by the body.
The hair sample is cut near the scalp and approximately 100 to 120 strands are required for the investigation. In case there is nonexistence of hair on the head, body hair can be utilized as a suitable replacement. Even if the individual being tested has removed the hair from his head, it can also be taken from about several other areas of the body. This comprises of hair on the face, legs, as well as underarms.
Despite the fact that it is frequently asserted that hair test cannot be meddled with, it has been revealed that this is just incorrect. For instance, cannabis or THC which is an active ingredient in marijuana does not easily deposit within epithelial cells so it is feasible for superficial and additional variety of tarnishing to decrease the quantity of testable cannabinoids inside a hair sample during a test.
This Class A drug or Schedule I drug (hard drugs) can be detected in hair samples for up to 90 days after stopping or the last hit. As a result if it is a hair sample that you require to take then it is imperative to make sure that you do not use the drug for at least three months. Moreover if you think you are not going to pass the test then it is better not to mask it. This will create further problems; especially where life insurance drug tests are concerned.
It is advisable to buy urine drug test kit in order to see whether there is any drug left in your system. This is because hair drug testing can be a little bit costlier compared to other forms of drug tests kits.