E-liquid, E Juice or vape juice is the liquid which is used in all electronic cigarettes or vapes and is made up of four main components which are Propylene Glycol (pg), Vegetable Glycerine (vg), Nicotine in some cases and flavourings. The pg and vg part are the carriers of the flavour and the nicotine, they both have different properties and in majority of vape juice they are combined and shows as a percentage for example 50%/50%, have a look at our pg/vg blog to learn more about pg/vg. The liquid in the vape tank or pod is heated which causes the liquid to vapourise, this is what you inhale when you vape. Below we have answered some of the main questions relating to vape juice.