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It will stay in your hair until it is out of your system and cut off for good. For testing purposes, they check 90 days back.

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Marijuana can be detected in hair for several months, sometimes even up to 90 days, depending on the length of hair sample and frequency of use. This is because THC metabolites bind to hair follicles and remain in the hair as it grows.

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Q: How long does marijuana stay in hair?
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How long does pot stay in your hair?

THC, the active compound in marijuana, can be detected in hair follicles for up to 90 days. The detection window may vary depending on factors such as frequency of use and metabolism.


How long does maijuana stay in your system with a urine or hair test?

Marijuana can be detected in urine tests for up to 30 days, but typically is detectable for up to 7 days for casual users. For hair tests, marijuana can be detected for up to 90 days after use. Factors like frequency of use, metabolism, and individual differences can affect detection times.


What shampoo can you use to get THC out of your hair?

There is no specific shampoo that can remove THC (the psychoactive component in marijuana) from your hair. THC gets deposited in hair follicles and can be detected for a long time. The best way to avoid THC detection in hair is to refrain from using marijuana.


How long will marijuana stay in body weight about 220 lbs and 5'9'' tall and have not smoke marijuana for two months how long marijuana stay in urine and blood?

Marijuana can stay in urine for up to 30 days for occasional users. As for blood, traces of marijuana can typically be detected for up to a week after last use. However, individual factors such as metabolism and frequency of use can influence these detection times.


How long does crack stay in your hair?

Crack cocaine can stay in your hair for up to 90 days depending on the length of your hair and rate of hair growth. Hair tests for drugs can detect a history of drug use over a longer period compared to urine or blood tests.