Vape Juice Ingredients: Avoid Harmful Additives VapeDeal.com Vape juice contains a long list of chemicals, many of which aren't even listed on the packaging. Testing has also shown that vapes labelled "nicotine free" can have high nicotine levels. Vaping isn't just harmless vapor. It delivers toxic and addictive chemicals into your body, which can lead to serious health problems. Talk to your teen about the harms of vaping today! Do you know what you're vaping? Propylene glycol (PG) and vegetable glycerin (VG) are the main liquids in vapes. When heated, these chemicals turn toxic and aren't safe to breathe. The Danger of Chemicals Used in Vape Liquid The Science Blog What's in Vapes? Escape The Vape Hawaii