While the topic of vaping 0 nicotine e-juices is one which we’ve explored in some depth already while noting the potentially dangerous health implications of certain e-juice flavors, new research published in the journal Frontiers in Physiology has found three flavorings in particular found in e-liquids that could be harmful to their users.
These three flavoring chemicals–which are used in some e-juices, not all–have been identified in the scientists’ recently published paper as ortho-Vanillin, cinnamaldehyde, and pentanedione. While you may not have heard these chemical names before, there’s a chance you may have already been exposed to one or more of them as they’re used by some e-liquid manufacturers to create vanilla, cinnamon, and buttery flavors.
In addition to highlighting the particularly toxic nature of these flavoring chemicals, the researcher behind the paper also found that the damage caused by such chemicals is increased when multiple flavor are mixed together, which is literally how most e-juice flavors on the market today are created.
The researcher behind the study tested a range of chemicals found in nicotine-free vape juice on a type of white blood cell known as monocytes and found an unfavorable to human health reaction: the development of biomarkers indicating both inflammation as well as tissue damage, which suggests that some chemicals used in e-juices could cause oxidative stress.
During their experiment, they found that o-Vanillin, pentanedione, and cinnamaldehyde in particular to cause cell death, known formally as cytotoxicity. In other words, these particular flavorings are toxic to cells.
Our takeaway from this study is that not all e-juices are created equal and vape users should take this into account by carefully analyzing and researching the ingredients that compose the e-juices that they use. And while the study’s findings do add to a growing pile of evidence that e-cigarettes are potentially harmful to the humans that use them, there’s still strong evidence that vaping is less harmful than smoking. So for smokers, it’s likely, based on current scientific evidence, that vaping is indeed less harmful, however, it does not appear to be without its own inherent health risks.
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This makes sense to me. I’ve been vaping for a while now that I’ve been using e-cigs to quit smoking and I wanted to switch things up flavor-wise so I snagged a pack of vanilla flavored cartridges for my Blu e-cig and at first, it tasted good and was fine, but then I started to feel like I was having some kind of adverse reaction to it. The glacier mint flavor has been doing me justice but the vanilla, not so much. It seemed to irritate my respiratory system much more so than the mint so I stopped using it and went back to the mint. Can’t help but wonder if o-vanillin is one of the chemicals used to create Blu’s vanilla vape juice. If it is, I’m guessing that might explain why I seemed to have a bad reaction to it. Anyone know if Blu’s vanilla cartridges contain o-vanillin?