Incredible Hair Tests For Weed References. Hair follicle drug tests by licensed & certified staff with quick & easy phone payments! For someone smoking cannabis for the first time, tests may detect it for about 3 days.

Hair follicle tests can assess drug use for up to 90 days. It’s important to note that hair follicle tests will only find substances that have been. Web hair follicle drug tests this type of drug testing can be used to identify: