Lab-Certified Hair Drug Test — Trusted by Families Nationwide
90-Day Detection. Private Results. At-Home Collection. No Clinic Visit Required.
CLIA-WAIVED
FAST RESULTS
SECURE RESULTS
EASY PROCESS
Why families trust KNOWN
When families need answers, they turn to KNOWN.
Our lab-certified hair test detects substance use over the past 90 days — offering a wider, more reliable window than urine tests.
NO LAB VISITS
NO MEDICAL RECORDS
NO JUDGEMENT
90-DAY DETECTION
LAB-CERTIFIED ACCURACY
NO OFFICE VISITS
Limited-Time Launch Offer: Save $10
Lab-Certified Hair Test
Fast, Private Results in 5–7 Days
Free Shipping
SAMHSA-Certified Tests
Industry-Leading Prices
Common Questions, Answered
How accurate is the KNOWN Hair Test?
All tests are processed by a CLIA-certified laboratory, meeting rigorous national standards for accuracy and reliability. Results are over 99% accurate.
What other tests are offered?
In addition to the hair test, we offer an instant 12-panel test, and an instant nicotine test.
Is this a medical diagnosis?
No. The KNOWN Hair Test provides informational results to help guide important family conversations and next steps.
How soon will I get results?
You'll receive confidential lab results within 2 business days after the lab receives your hair sample.
How private are my results?
Your results are only associated to you via an 8-digit pin. No names, birthdates, or any other personal identifiers are stored.
What quality standards do you have?
All of our tests are CLIA-Waived, as well as SAMHSA-Certified. These both represent the highest level of standards applied to at-home drug tests.
