Photographs of emptied JUUL pods: The initial (a) and the American (c) Download Scientific Diagram Do Juul Pods Contain Formaldehyde FDA rescinds marketing ban on Juul vaping products Juul to stop sale of fruit flavored e cigarettes silive.com 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 JUUL Pod Ingredients: What's in E Cigarettes? DYK? Vaping coats lungs with potentially harmful chemicals. This can include chemicals such as: Diacetyl: This food additive, used to deepen e cigarette flavors, is known to damage small passageways in the lungs.