Our 12-panel hair test is processed in a CLIA-waived lab and detects substances, including fentanyl, over a 90-day window. It's the gold standard for reliability, and the same testing method trusted in professional settings. You get clarity you can count on -- no guesswork, no cut corners.

Every KNOWN hair test includes one free bonus test of your choice:

• 12-panel Instant drug test
• Instant nicotine test
• Instant alcohol 5-pack

No extra cost, no catch -- just more answers in one shipment.

From the moment you order, we prioritize your privacy.

• Your kit ships in packaging void of the words drugs, tests, or similar
• Return shipping with tracking is included
• Results are delivered online using a secure 8-digit code

No clinics. No lab lines. No judgement.

You'll get more than a result. Every order includes access to The Solution Lab, a private resource library with expert-reviewed articles and strategies for anyone navigating accountability, prevention, or support. It's there if you need it, when you need it.

Your KNOWN test is processed by a CLIA-certified, SAMHSA-listed lab -- the same standard trusted in medical, legal, and professional settings.

It's serious science, delivered simply and privately, so you can move forward with confidence.