Sunset Vape JUUL manufacturers aren't required to disclose their ingredients. Cartridges or pods may contain arsenic, formaldehyde, rubidium, benzaldehyde, cadmium and or lithium. Scientists are still working to understand more fully the health F.D.A. Orders Juul to Remove E Cigarette Products from U.S. Market The New York Times DYKOne Juul pod contains as much nicotine as a pack of cigarettes. Side effects include increased heart rate and blood pressure, lung disease, chronic bronchitis and insulin resistance leading to type 2 Do Juul Pods Contain Formaldehyde Juul users inhaling chemicals not listed Your vape isn't producing formaldehyde, either Vapour.com Electronic Cigarettes, E Cigs, and E Liquids for Vaping Vapour Formaldehyde in Electronic Cigarette Liquid (Aerosolized Liquid) Jenna L. Ruggiero, Lindsey M. Voller, Javed A. Shaik, Sara Hylwa, 2022