What is vape juice? Freeman Vape What Are the Ingredients of Vape Juice? What Are the Ingredients in Vape Juice? Vape Juice Ingredients Guide Freeman Vape 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 actually inside that vape? Vaping devices don't just deliver flavor or a quick escapethey introduce a mix of chemicals, metals, and addictive substances into the body. Many believe they're just harmless