For many workers smoking cannabis is the most common reason to seek a way to evade drug tests. As it is known, the risk of detecting toxins in the hair is extremely increased following 90 days of smoking.

Introduction
A hair follicle drug test can detect the presence of THC (as well as its metabolites) after 5 to 7 days of cannabis consumption, and no sooner.
Therefore, while hair follicle testing o…