Apparently, some employers do use hair drug tests (usually 1.5" from the root end, or approximately 90 days’ worth of hair growth – what do they do with buzz cuts or shaved heads?), but it is less common than other types of drug tests.
Apparently, some employers do use hair drug tests (usually 1.5" from the root end, or approximately 90 days’ worth of hair growth – what do they do with buzz cuts or shaved heads?), but it is less common than other types of drug tests.