Yes and it goes back six months
Yes.
Absolutely yes, but keep in mind that it does not grow at the same rate as hair on your head and has a 'maximum length'.
drugs and there metabolites that show it passed through the body.
About 72 hours for the urine test. Much longer for the hair follicle test. EtG (ethyl glucuronide) is an alcohol metabolite that remains in your body for several days after the liver has cleared alcohol from the bloodstream.
Hair tests will show positive for as long as you have the hair. If your hair grows at the rate of 1/2" per month and you keep your hair an inch long, it will take two to three months for all the drugs in the hair to grow out and be cut off.
Almost no drug is detectable in urine 3 months after last use, this usually requires testing of hair.
Of course it will. Most drugs other than alcohol, will remain in hair follicles for the standard 90 day test. And don't be fooled into buying "special shampoos or rinses" A hair follicle test goes into the hair, not on it. They extract the drugs from grinding up the hair and extracting whatever drugs you've used 90 days ago or longer.
A hair follicle test can be used to identify specific drugs used by the person being tested. The test can usually detect drug usage over a longer period of time.
A nine panel hair test is used to detect all of the common illegal drugs. This type of test is used for jobs in which the employee must meet extremely strict safety requirements.
No. Not doing drugs will do the trick, though.
approximately detection time for hair drug test is 90 days , longer if they use body hair
No, not really as it can detect up to 90 days, maybe longer depending on how often you use, also hair growth.