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Are you meaning a forehead drug test that you would place on your forehead and it test the sweat or something that has to do with your skin? If so I think that it is the same as a mouth swab 3 d+ays but as I firmly believe those kind of test are not accurate. I had to take a mouth swab drug test for cps and I failed it with cocaine and I have never done cocaine in my life and I should have failed it with opiates because I was taking prescpription hydrocodones and I didnt. I have had many other mistakes with drug test even the ones that are sent to the lab through probation. So like I said I firmly believe that those test are inaccurate. But I believe that they are only supposed to go back 3 days.

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16y ago

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