What's in a vape? Don't Get Sucked In 0mg of nicotine but has nicotine in the ingredients list and has the nicotine FDA label does this juice have nicotine or not? : r Vaping The Main Ingredients of an E liquid Banned Dangerous Vape Ingredients to Avoid in Your Vape Juice Nicotine, propylene glycol, sweet flavorings, and various toxic chemicals like carcinogens and heavy metals are found in vape juice, posing health risks, especially to youth.