At my Uncles Company in Las Vegas, he uses a hair test that goes back 6 years. Its very expensive to run that type. Most company's use hair test that go back 6 months to 1 year. Just depends how much the company is willing to pay.
A hair test can go back as far as 90 days. Most likely it'll be clean in a few weeks. Also, there is a shampoo that will wash out the presence of any drug.
3 days
5 days
What shampoo?
NO... this is not true! The furthest back a drug test can go is about 6 moths if they use a sample of your hair. Urine drug test can only go back as far as a month.
6 years
Yes, a drug test done on hair can go back as far as they cut, but typically they test the hair closest to the scalp which has the newest cells.
test are standardized they look back up to 3 months (1.5" of hair ) only court orders go back farther
Hair drug tests can go back seven years. It is not against the law to ask how far back they test before you submit to the test
Alcohol for a swab test go back
7 years
yes you will pass, they only go back as far as 3months anything past 3months is inconclusive...
30 days
9 months
It becomes a part of all of the hair that was in the process of growing when you were using. It becomes a part of the hair.
There is not an specific test for salvia divinorum yet, so there is no probability to get caught on a test.