NO, HAIR SAMPLE DRUG TESTING CAN NOT DETECT AS FAR BACK AS A FEW YEARS.
WHEN THE DRUG WAS TAKEN, IT GOES INTO THE ROOT OF THE HAIR. IF YOUR HAIR IS SHORT THEN IT CAN ONLY DETECT UP UNTIL THE ROOT GROWS OUT OF YOUR HAIR, IF YOUR HAIR IS VERY LONG, IT CAN GO BACK A FEW MONTHS.
HOW CAN IT LAST A FEW YEARS WHEN HAIR IS KEROTANIZED CELLS THAT REPLACE THEMSELVES EVERY MINUTE. AS SOON AS THE BOTTOM GROWS OUT, IF YOU GET THAT PART CUT THEN IT CANNOT BE DETECTED.
KAYNE
PS---I'VE TAKEN THREE HAIR DRUG TESTS ARLEADY.