2006-09-04 11:16:09 · 12 answers · asked by ice p 1 in Health ➔ Other - Health
3 to 6 months...depends on what you used...
chemicals also leave traces in your spine and several other places
ps:cutting off is not enough since the hair roots will be there
2006-09-04 11:22:59 · answer #1 · answered by denizbt 3 · 0⤊ 0⤋
The PDT-90 personal forensic hair analysis drug of abuse testing service is the only at home drug testing kit that provides a *history (up to several months) of current or previous drug use for the five most abused illicit drugs and drug categories: Methamphetamines, Marijuana, Opiates, Cocaine and Phencyclidines (PCP) without the need for urine specimen collection. The only sample required is a small lock of the test subject's hair (approximately the size of a shoelace tip) taken at the scalp line. Confidential and non-invasive, The PDT-90 drug test provides a qualitative determination of past drug use over a period of approximately three (3) months using forensic laboratory analysis.
2006-09-04 18:20:23 · answer #2 · answered by mtjs06 1 · 0⤊ 0⤋
I heard a years but I had one and they only went back 1 month..was shocked and scared they were going to do a hair test.
2006-09-04 18:18:49 · answer #3 · answered by musicluvr 2 · 0⤊ 0⤋
25 generations
2006-09-04 18:35:09 · answer #4 · answered by wheels 4 · 0⤊ 0⤋
Not really sure. but I think hair grows at a rate of 1/16th of an inch every week.
2006-09-04 18:40:40 · answer #5 · answered by Anonymous · 0⤊ 0⤋
I've heard 9 mths to a 1yr.than i heard it can go as far back as 3 yrs....but that is what i heard ...
2006-09-04 18:23:05 · answer #6 · answered by Anonymous · 0⤊ 0⤋
when u do a drug it is embedded in your hair, so if you didn't cut your hair since then. It will still be there.
2006-09-04 18:18:25 · answer #7 · answered by psxfff123 3 · 0⤊ 0⤋
As long as the hair is.
2006-09-04 18:21:26 · answer #8 · answered by Anonymous · 1⤊ 0⤋
I have heard up to six years, i really want to know the answer , so am stabbing at it!
2006-09-04 18:21:34 · answer #9 · answered by janet r 3 · 0⤊ 0⤋
depends on the drug.
2006-09-04 18:21:22 · answer #10 · answered by sethsdadiam 5 · 0⤊ 0⤋