Do shampoos work????

[SHORTYBOOKIT]

for hair follical tests???

[ToKnoIsToGro]

usually not

[NSTassel]

I can tell you that I had a client who beat a hair test that he had absolutely no business beating. He performed a regimen of washing his hair with tide detergent, followed by an acne astringent soak, then conditioner. He did this 2-3 times and passed.