During the last 20 years, both schools and employers have regularly implemented drug testing. Urine tests are usually the most common form of screening; however, many people have devised methods to beat these tests and created products used to make the appearance of the drugs. Synthetic urine and masking chemicals are widely available, and they can be effective in blocking even the most severe cases of drug abuse. Because of this growing market, many employers have chosen to use hair follicle drug testing instead.
Hair drug testing costs much more than sweat, saliva or urine tests. However, the benefits often far outweigh the costs. Employers find hair follicle drug testing to be less invasive and it can often detect drugs as much as twice as far back as other testing methods. Hair follicle testing can also reveal if an employee has recently stopped using drugs in order to hide their usage. Another advantage is the fact that its usually harder to mask drugs in the system with this form of testing.
The hair follicle drug test requires taking a small sample of the employees hair. An official within the company can often collect the hair on-site which is...
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