Which brands contain diacetyl in their vape juice?
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Unfortunately, there is no single, current, and publicly available master list of all e-liquid brands that contain diacetyl. This is largely because formulations can change, and while one flavor from a brand may have it, another might not. However, research and historical data show it was a very common ingredient in flavored vape juices.
📊 What the Research and Data Show
The most-cited study is from Harvard T.H. Chan School of Public Health in 2015. Researchers tested 51 flavored e-cigarettes from "leading brands" and found diacetyl in 39 of them (over 75%). The study explicitly stated it did not name the specific companies tested, so it confirms the widespread problem but doesn't provide a brand list.
Despite being from 2015, a report from a vape shop's independent testing gives specific examples of e-liquids that were found to contain high levels of diacetyl-related compounds (acetyl propionyl).
| Brand Name | E-Liquid Flavor Name | Level Detected (Acetyl Propionyl) |
|---|---|---|
| Vintage E-Liquid | The Drifter | 1867 ppm |
| Beard Vape Co. | #51 | 1843 ppm |
| Traditional Juice Co. | Indian Giver | 1487 ppm |
| Cyclops Vapor | Colossus | 1042 ppm |
| Alpha Vape | Sweet Tooth | 815 ppm |
| Must Vape | Pencil | 759 ppm |
| KILO E-Liquids | True Blue | 711 ppm |
🧐 Concerns About Current Brands
The issue isn't just historical. There have been ongoing consumer concerns and reports about popular modern disposable vapes. For example, Elf Bar has faced controversy and discussion within the vaping community over the potential presence of diacetyl in some of its products. This highlights that the problem persists with newer brands and products.
🛡️ How to Identify Safer Options
Since definitive lists are scarce, the most reliable approach is to look for brands that actively promote their safety standards:
Look for "Diacetyl-Free" Claims: Many responsible manufacturers now explicitly label their products or websites with "diacetyl-free," "acetyl propionyl-free," and "acetoin-free." For instance, the French brand J Well has publicly stated they have prohibited diacetyl in their e-liquids since their founding.
Research the Manufacturer: Check the brand's official website for information on ingredient safety and third-party lab testing.
Be Wary of Certain Flavors: Creamy, buttery, custard, and some dessert flavors were historically most likely to contain diacetyl to achieve their rich taste.
To summarize, while you can't get a complete current list, you know the risk was and may still be highest in creamy/dessert flavors from brands that do not openly commit to being diacetyl-free. Your best defense is to choose products from manufacturers that are transparent about their ingredients.
If you are trying to avoid specific chemicals, would you like some guidance on what other ingredients or labeling terms to look out for?
