How does an hair strand test work?how far back does it show that alcohol is in my system?if I was to have 2 cans of beer tonight and tomorrow night and then had the test taken on Friday what would it show?
How does an hair strand test work?how far back does it show that alcohol is in my system?if I was to have 2 cans of beer tonight and tomorrow night and then had the test taken on Friday what would it show?
I'm not sure about hair strand tests; but in urine tests-- it can still show up up to 4 days after you drink anything. I am not sure if they test for the same chemicals in hair tests or not. Sorry I don't have more info. You should Strongly reconsider Drinking if you will be taking any kind of tests just to make sure.
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