Cocaine is a water soluble drug so it leaves the body fairly quickly. It has a low detection time in urine, blood and saliva testing. Because of the low detection time in urine, blood and saliva, hair testing for cocaine is the most accurate way to detect use. Hair testing for cocaine is very sensitive, and can detect a single use for up to 90 days.
Yes with a single use unfortunately due to the very sensitive nature of the hair cocaine test it is very likely that the test will show positive for the cocaine consumption.
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