Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.

How far back into the past can hair analysis detect drug use?

April 26, 2017analysis detect drug hair past

0

Posted

How far back into the past can hair analysis detect drug use?

3 Answers

0

Posted

Typically, hair testing detects any drug use within the last 90 days. However, special circumstances may require more in-depth analysis and may reveal drug use for periods of time extending much further back into the past.

0

Posted

Typically, hair testing detects any drug use within the last 90 days. However, special circumstances may require more indepth analysis and may reveal drug use for periods of time extending much further back into the past.

0

Posted

Typically, hair testing detects any drug use within the last 90 days. However, long time frames are possible.