Has hair testing for cocaine always been accurate? Does this mean you may fail when in fact, you’re clean?
People often believe that the use of hair in order to conduct drugs tests regarding cocaine was a relatively new discovery. By presuming this, they are automatically deemed wrong, due to the concrete fact that the first known report of this method was back in 1981. Within the conduction of those studies, hair samples from said drug users were critically analysed by a technique called radioimmunoassay: directly searching for the cocaine factor named benzoylecgonine.