If you are a parent of a teenager you will be happy to know that is a solution if you are concerned your child may get involved with substance abuse. You can get a Hair Confirm Home Drug Test Kit. Its simple and impossible to fake. There are methods for getting around the other forms of testing but this method is surreptitious. You simply take a hair, whether you make them aware or not and mail it in. In a short time you will have a printout of everything your child ever consumed.