What Are The Substances Contained In Vaping Juice?

E-liquid ( e-juice) is placed into a vape pen to provide taste and nicotine (if the vaper uses nicotine e-liquids). The battery provides the energy to heat the e-liquid, transforming it into a smooth vapour when inhaled while you use the marbo.

E-liquids provide comprehensive adaptability by allowing vapers to experiment with e-liquid tastes in more flavours, with some manufacturers even offering zero-nicotine vape liquids. Our e-liquids come in nicotine concentrations of 9 mg/ml and 18mg/ml. The nicotine intensity chosen is determined by how much nicotine the vaper gets used to breathing.

What  contains e-liquids?

Most certified and licensed vape juice bottles in other countries will include no more than four ingredients:

  • PG stands for Propylene Glycol.
  • VG stands for Vegetable Glycerin.
  • Flavourings for Food
  • Nicotine

You would have expected to find substances in a single container, but that couldn’t be further from the truth. If you opened your kitchen cabinet right now, you’d undoubtedly find goods that have everything but nicotine. Let’s look at these chemicals in more detail to discover what we’re vaping.

Propylene Glycol (PG)

It is a food-safe chemical commonly found in prepackaged foods and medications. PG gets not absorbed by the body and has been used safely by pharmaceutical firms for decades. In marbo, the PG transports nicotine and flavourings in an e-liquid, which would otherwise not vaporise effectively. It gives vapers what they term a “throat hit,” which is a smooth, pleasurable sensation at the back of the throat.

Vegetable Glycerin (VG)

It gets a plant oil derivative that is the component in our VG liquids. The food sector uses VG as an artificial sweetener and thickening (look for it in ice cream), but it produces big, thick, billowing clouds of vapour. It can get found in all vape liquids.


Cherry, coconut, berry blast, fresh apple, sweet tarts, cinnamon, and tobacco are among the nearly 7000 flavours. It would be hard to name all the compounds to the flavours here, but diacetyl sticks out. Diacetyl is widely used to give popcorn a buttery flavour. While this chemical is completely safe to consume, there is  evidence that breathing it might cause Obliterative bronchiolitis (OB), colloquially known as “Popcorn Lung.”


Nicotine gets found in two forms in e-liquid. One form is synthetic nicotine, which gets created in a laboratory setting. Nicotine salts are the other form—nic salts get collected from tobacco leaves, where they naturally occur. Synthetic nicotine is the most prevalent variety in e-liquid; vape juice that contains nic salts is always sold and promoted as nic salts. When it comes to synthetic nicotine/ nic salts, there is no right or wrong answer; the two varieties cater to different tastes.

Other E-liquid Components


Water is required in vape liquids to provide consistency and help to mix the PG, VG, and flavourings. It also contributes to the creation of lingering vapour. The water content in e-liquids is often low, if not non-existent. The elements in vape juice are PG, VG, flavours, nicotine, and water. Other substances that may get included in electronic cigarettes that use cartridges include:

  • Aldehydes Metals (such as nickel and tin)
  • VOCs are short for volatile organic compounds.
  • The alkaloids found in tobacco
  • Hydrocarbons with aromatic properties.

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