What Is in E-Liquid Juice?
The liquid within e-cigarettes goes by multiple names, such as e-liquid, e-juice, and vape juice. There is no set formulation, but common ingredients include:
Vegetable glycerol/glycerin
Propylene glycol
Water
Nicotine
Additional chemicals or concentrates to give the liquid a specific flavor
E-liquid formulations can also contain varying amounts of the above. For example, e-liquids can be nicotine-free or they can contain low to high amounts of the substance, depending on your preference.