as long as it takes for your hair to grow out
Hair Follicle drug testing is the most accurate, long term, and hard to beat, of all laboratory drug testing. As your hair grows, any chemical substances in your body also grow out with your hair. Other than shaving your head, there is no way to hide drugs in a hair follicle test.
A standard hair follicle screen covers a period of approximately 90 days, but is susceptible to time variation depending on the growth rate of your hair.
from two-six weeks or more
2 years
Your hair expels everything that goes in your body, all of your hair.
Hair colour deposits into the hair follicle, it will grow out in time. It depends on how long you want you hair to be.
I went to a smoke shop and was talking to one of the workers there about bath salts and he said he lost his memory for about 3 Weeks also he forgot how to use a fork. I swear this is a true sTory. Also bath salts show up as Meth on drug tests.
A single long white hair on the face could be caused by aging, genetics, stress, or a lack of pigmentation in the hair follicle.
Don't smoke meth
One to two years. It stays in the hair. Better not to use at all.
A single long white hair on your arm could be due to aging, genetics, stress, or a lack of pigmentation in that hair follicle.