Mouthwash’s concentrated alcohol doesn’t linger like it does in beer, wine, or liquor. Unless, of course, you consume it. You should be able to pass the interlock test with just a swish of mouthwash and a 20-minute wait before blowing into it. That is, if you haven’t consumed any alcoholic beverages in the previous 12 to 24 hours.
How long does mouthwash last on a breathalyzer?
That might not be the best idea. Listerine and other alcohol-based mouthwashes can impair your ability to pass a Breathalyzer test for up to 10 minutes after use.
Does mouthwash set off breathalyzer?
Using mouthwash can affect breathalyzer results, according to a study conducted in 1994. Using mouthwash can cause a breathalyzer to indicate that a person is intoxicated, because many forms of mouthwash contain more than 20% alcohol by volume.
How much can Listerine affect a breathalyzer?
Your breath test results could be as high as.75 if a sober person gargles and spits with the original formula Listerine immediately before taking the test.
Can mouthwash cause a positive alcohol test?
Breath Freshening Products: Ethyl alcohol is found in most mouthwashes (Listermint, Cepacol, etc.) and other breath-cleansing products. It’s possible that using ethyl alcohol-containing mouthwash will result in a positive drug test result.
Can mouthwash increase BAC?
This can be a serious issue. Because many mouthwashes and breath sprays contain alcohol, they can result in abnormally high breathalyzer readings. As an example, Listerine mouthwash contains 27% alcohol.
How much alcohol does mouthwash absorb?
More than three-quarters of those who took part in the study had used mouthwash containing the alcohol equivalent of one glass of wine per day for less than a year. A high degree of consistency was found in reporting mouthwash use (Kappa > 0.62) on multiple occasions.