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How Long Will Thc Stay In Your Hair
Marijuana and hair: 90 days.Get a more detailed answer ›
I have a upcoming drug test, how long does marijuana (thc) stay in your hair follicles? An is there anything to take it out of your system?
Depends on several: things - how quickly your hair grows and how often you have it cut. It stays in the hair as long as the hair exists - essentially forever. However, if your hair grows at about 15-18 mm per month (about 1/2 inch) and you have it cut every 6 weeks, the marijuana (THC) deposited from one smoking episode would take a half year to get to the ends of your hair where it would be cut. ...Read moreSee 1 more doctor answer
How long does thc weed stay in your hair if you've only smoked once or twice 22 yrs old 162 pounds male?
A long, long time: depending on how long/short your hair is. When you use many drugs/chemicals, the blood supply to the hair follicle deposits that chemical into the hair being made at that time, and that tiny "band" of positive THC (or other drug) will then grow out with the hair. If you never cut your hair, it will always be there, but with average hair growth and average rate of cutting, it will be there months ...Read moreSee 1 more doctor answer
How long will THC stay in my hair if I smoked once in July on the 18th. It was my first time ever.
Curious question: Hair grows at a rate of about 1/2 inch a month, and thc that is deposited in the hair will stay in the zone that represents use while it was forming. Remove the hair to below the that level and it would not be found on hair analysis. However, most do not assess hair to detect it, they use urine.This can clear in a week or so if use was minimal. ...Read more
Depends..: Chronic use may show positive results for months. It depends also on the length/amount of hair tested and the nature of the test being used. Check this link for more details. http://www.ncbi.nlm.nih.gov/pmc/articles/pmc2274831/. ...Read more
Different answers: I have read that one time use might not even show up. Most answers say that if use is regular, then it will stay for about 2-3 months. One person said that his parents, both of whom are police, told him that it could stay for a year. Hair grows at 0.5 inches per month, so they usually cut off three months of hair growth (1.5 inches) for the sample for detection. Why not just not use the stuff? ...Read more
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