Electronic cigarettes have a canister where the juice is stored, and a slight warming component. As the e-juice or e-liquid heats up, the liquid turns into an aerosol that can be inhaled. Vape ingredients may vary by brand. However, there are common improvements that many vape juice makers rely on. Water is a common vape liquid ingredient. Vegetable glycerin specializes in sugar, supplements, and thickening. The FDA considers it safe to enter. It is made using vegetable oils such as palm oil, coconut oil, or soybean oil. It is commonly found in foods such as creams, canned goods, fondant, processed fruits, jams, and energy bars. Propylene Glycol is occasionally used in conjunction with vegetable glycerin or is commonly used instead. It is a tasteless, odorless, colorless alcohol. It is an...