It's important to learn how hair drug tests work so you can successfully pass any type of hair drug testing. When you take drugs, the toxins enter your hair follicle and remain there until you cut your hair. During a hair follicle test, your hair will be cut near the scalp from the back of your head. This hair will then be sent to a laboratory, where organic solvents will be used to dissolve it and eliminate the toxins. Our products are undetectable, safe and easy to use. They work by eliminating all of the toxins from your hair or by coating your hair with an organic film almost like hair spray.