Vape juice contains a long list of chemicals, many of which aren't even listed on the packaging. Testing has also shown that vapes labelled "nicotine free" can have high nicotine levels. Vape Juice Ingredients: What's Inside Your E Liquid? VITAE Glass Composition of electronic cigarette aerosol Wikipedia What Are the Ingredients in Vape Juice? 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. Which Type of Nicotine Is Healthiest? Nic Salts vs Freebase Explained Pod Salt UK