How to Prepare for a Hair Follicle Test: A Practical Guide

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Getting ready for a hair follicle test starts weeks before by cutting out any drug use, as the test can detect substances for up to 90 days. Avoid chemical treatments like bleaching or dyeing, since labs may flag them as tampering. Just wash normally, skip detox shampoos claiming to beat the test—they don't work—and give a clean, dry sample. The real key is time and staying clean.