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Learn the Science Behind Pg And Vg

Learn the Science Behind Pg And Vg

What is vg and pg? Well, PG and VG are two terms you are likely to encounter in the realm of vaping. At first look, these abbreviations may appear to be sophisticated technical jargon that is not relevant to your vaping; yet, understanding what they imply might help you have a more joyful and gratifying vaping experience.

What is Propylene Glycol (PG)?

On a blue background, a bottle of PG with a chemical formula. Propylene glycol is an alcohol that is colorless and practically odorless. Propane-1,2-diol is the chemical name for it. That indicates three carbon atoms on its backbone, with two oxygen-hydrogen (OH) alcohol groups connected to the first and second. It is typically regarded as non-toxic and harmless. As a result, it is found in a wide variety of consumer products.

It is a humectant (which means it helps to keep things moist), a preservative, and a solvent, among other things. As a result, it is utilized in cosmetics, pharmaceuticals, human and pet feed, food flavorings, and various other items.

It is also simple to vaporize, useful in asthma inhalers, theatrical fog machines, and vape juice.

What is Vegetable Glycerine (VG)?

On a dark background, a bottle of Vegetable Glycerine with a chemical formula. Vegetable glycerine (VG), like PG, is alcohol. It has a colorless, odorless, and pleasant taste and is more viscous than PG. It also has three ‘OH’ alcohol groups rather than two, and its chemical formula is propane-1,2,3-triol. It is frequently referred to as glycerol. VG, like PG, is non-toxic and widely accepted as safe to consume.

It also has a wide range of applications. That is due to its sweetness, role as a solvent, preservative, and capacity to help things retain moisture.

It is used as a moisture-retainer in baked foods and as a solvent for food flavorings and colorings in medications (such as cough syrups, ointments, and creams), cosmetics (such as hand cream and toothpaste), and as a solvent for food flavorings and colorings in medications (such as cough syrups, ointments, and creams).

How are VG and PG depicted?

The disparity in the ratios has been expressed in a variety of ways in the past. For example, the ratio may be stated as PG/VG, VG/PG, PG: VG, and so on.

However, the ratio is increasingly being expressed with VG first. That is because most (but not all) e-liquids have a VG concentration of 50 or more.

For example, an e-liquid with a VG: PG ratio of 50:50 will include 50% vegetable glycerine and 50% propylene glycol. An e-liquid with a VG: PG ratio of 70:30 contains 70% vegetable glycerine and 30% propylene glycol.

Comprehending PG/VG Ratios:-

Most e-liquids are a mix of PG and VG & the ratio of the two chemicals can have the most significant impact on how you vape.

E-liquids with a more excellent PG ratio are more flavorful but less smooth on the throat, while e-liquids with a higher VG ratio generate more vapor and provide a smoother vaping experience.


As we can see, the PG and VG percentages significantly impact the type of vaping experience you enjoy.

They can, however, affect the functionality of your vaping equipment.

Because they are generally thicker, e-liquids with a higher VG content might cause a more significant buildup of debris around device coils, necessitating more frequent cleaning of your device.

5 Significant Differences between PG and VG for Vapers

There are several parallels between PG and VG in terms of chemistry and uses. However, there are numerous significant variances. These become significant when deciding how much of each to include in your e-juice.

Here are five important factors to consider while making your decision.

PG has a more potent throat hit:-

One of the most crucial considerations is that PG provides a more substantial, more cigarette-like throat hit. That may not sound nice, but it is beneficial for many smokers who are considering quitting. It makes the sensation of vaping more similar to the outrage of smoking, which can help new users adjust more.

VG Improves Vapor Production.

While VG may lack the throat impact that many smokers prefer, its main advantage is that it creates denser, thicker vapor. That is why cloud chasers- people who want to maximize vapor production – prefer higher VG e-liquids.

PG is More Efficient Than VG At Wicking

PG Wicks More Efficiently than VG. One of the most significant disadvantages of high VG vape liquids is how well it soaks into wicks. Because VG is more viscous than PG, it takes significantly longer to sink into the wick and reach your coil. That can cause issues while vaping.

PG Transports Flavor Better PG is often more effective than VG at carrying flavors.

You would notice a difference if you tried the identical e-liquid in PG and VG versions. The distinction is slight, yet it is nonetheless significant. Part of the reason for this is that VG is slightly sweeter than PG, yet VG interferes with the flavor of your e-liquid more. However, it should be noted that the effect is minimal and difficult to detect without a direct comparison. Some People are Sensitive to PG. Finally, some people are allergic or sensitive to PG.

Some vapers find PG to be too irritating to their throats. This form of reaction, on the other hand, is quite rare. However, if you are new to vaping or have previously found vaping to be unpleasant to your throat, keep this in mind. You may require VG-based e-juices to get started with vaping.


Manufacturers create the highest quality tastes and e-liquids by combining precise amounts of VG and PG bases and constructing an e-liquid to capitalize on the benefits of both types and compensate for each other’s limitations.

Vapers can now select from the proportions offered by these manufacturers. Based on the VG-PG ratio, E-mist offers a wide range of fruity-flavored e-liquids.

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