Vapes with Diacetyl List: Brands and Flavors to Avoid Diacetyl in Vape Juice: The Facts We Know Pod Salt UK , The notion that vaping causes "popcorn lungs" due to diacetyl in e liquids is based on outdated information. , ., While diacetyl was once used as a flavoring agent in some e liquids and linked to Diacetyl In Vape: What You Need To Know Shisha Vibe Understanding Popcorn Lung and Diacetyl: Risks and Prevention Vapestore Blog A Warm, Buttery Flavor and a Risk of Irreversible Lung Damage