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WARNING: Many of these products contain nicotine. Nicotine is an addictive chemical.

Vape juice—also known as eliquid or ejuice—has a few core ingredients that you’ll find in most every vape variation. These ingredients are:

  • vegetable glycerin (VG)
  • propylene glycol (PG)
  • nicotine
  • flavoring
  • water

Vegetable Glycerin (VG)

A major component of most vape juices, vegetable glycerin is a common ingredient in foods and medicine that’s often made from palm oils and coconut oil. You may find it listed on packages as “glycerol.”

VG is typically used as a food additive in things like pasta, fudge, sauces, soups, and sugar substitutes. It’s a sweetener that doesn’t lead to tooth decay, it keeps food moist, and its hydrating properties mean it can be used to heal burns. Although it looks like an oil and is made from oil, vegetable glycerin is not an oil. It’s technically a sugar alcohol, which means you can inhale it (unlike an oil). When it comes to vaping, VG provides a sweet taste and more vapor production.

Propylene Glycol (PG)

Propylene glycol is the other major component in most ejuice formulas. Together, VG and PG make up the majority of the eliquid’s ingredients, so it’s important to find your ideal VG/PG ratio.

While PG has a hint of sweetness, it offers a harsher nicotine hit, and it’s less viscous than VG. PG is regularly used to make stage smoke for theatrical productions and haunted houses. Like VG, propylene glycol is a sugar alcohol, and many foods (especially ice cream and other frozen desserts) use PG as an additive. It’s also a solvent for food colors and flavors when it comes to vape juices.


Nicotine is a stimulant found in the tobacco plant that’s commonly associated with cigarettes. Not all vape juices include nicotine in their ingredients, but there are plenty of nicotine options available for those who want it. Vape juices use either freebase nicotine (the purest form) or salt nicotine, which is extracted to give the highest possible dose with a smooth hit.

Depending on your previous habits, you may look for a vape juice with anywhere from 50 mg of nicotine to no nicotine whatsoever. If you’re not sure which nicotine strength is best for you, check out our guide.


Flavor is the most unique and variable ingredient in vape juice, and it’s where most of the taste comes from while vaping. Vape brands and manufacturers keep their recipes secret, so the exact amounts of flavor mixtures aren’t always known. Among the most common vape flavors are candy, fruit, mint, and tobacco, but you can easily find others.

Want to start vaping? JSD can help you get started with vaping, find the best vape device, and how to choose the right vape juice. Once you’re up to speed, be sure to check out our vape juice products.