NC leaders, medical professionals react after FDA pulls JUUL products from market ABC11 Raleigh Durham JUUL Pod Ingredients: What's in E Cigarettes? Do Juul Pods Have Diacetyl What is JUUL e Liquid? Learn about JUULpods Flavors & C O R R E C T I O N The United States District Court for the Northern District of California 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.