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. What's In Your Vape Juice? E Liquid Ingredients Explained EDGE Vaping Understanding Vape Juice: Ingredients, Varieties, and Safety General Vape I was stood in the kitchen, minding my own business and noticed my partners vape juice on the side. I found myself with nothing better to do than to read the ingredients Vape Juice Ingredients Guide Freeman Vape