E Liquid Ingredients What is PG & VG? Make My Vape Is There Sugar in Vapes? Everything You Need to Know ZOFO What's in an e liquid or vape juice? The main ingredients are propylene glycol (PG) and vegetable glycerine (VG). These are solvents that are basically used to dissolve and carry the other ingredients. About E Cigarettes (Vapes) Smoking and Tobacco Use CDC If you vape, follow 5 simple tips to help avoid battery explosions and injury. https: www.fda.gov tobacco products products ingredients components tips help avoid vape battery explosions Vapes on black market may contain toxic chemicals, pesticides, harmful flavorings