PG/VG in Vape Juice | What to Expect 2019

If you are currently considering transitioning to electronic cigarettes, you’re probably wondering about the ingredients in e-liquid. The language of vapers can be a bit confusing in the beginning, so in this article we will cover and explain the differences between the two most prevalent ingredients in e-liquid: propylene glycol (PG) and vegetable glycerin (VG).

Ingredients in E-Liquid

Dirt Cheap Premium E-Liquids are made of up four main ingredients: a VG or PG base, food grade flavorings, water, and nicotine, all resulting in an organic chemistry.

The base holds the flavor and nicotine in concordance so your e-cigarette or vaporizer can produce those awesome clouds of smoke-like-vapor. Both vegetable glycerin and propylene glycol are non-toxic organic compounds that have covalent bonds once there is a pg vg ratio chosen. We will further discuss the difference between ratios later.

Compounds and Components Bonding(Organic molecules): Propylene Glycerol PG-Vegetable Glycerin VG

Vegetable Glycerin-

  • Chemical Formula C3H8O3 *(organic compound)*

  • Colorless and Oderless

  • Is a carbohydrate

  • Used as a sugar replacement in low carb diets

  • Organic extracted from vegetable oils

Propylene Glycerol

  • Colorless and odorless

  • Made from propylene oxide

  • Chemical formula C3H8O2 (organic compound)


  • Chemical Formula C10H14N2

  • Organic substance Alkaloid of tobacco

  • Yellow/brown liquid like tobacco

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PG e-liquid

Properties of PG: It has much higher viscosity, which creates it to be a perfect base for vapers who love a thicker and higher density vapor cloud

Thinner Consistency: Seeing that propylene glycol has a runny consistency, PG e-liquid is a thinner juice that the VG variety, and is also easily absorbed by the polyfill and cotton wick inside the wick tanks.

Less Gunk: The thin consistency and low density of the e-juice also results in less gunk build up on the heating element of your vaporizer. Propylene Glycerol E-Juice gunk build up happens slower than thicker VG liquid.

Stronger Throat Hit: The throat hit is very similar to that of a cigarette, providing a strong throat hit, also if you find you like or need a VG e-liquid then increasing nicotine strength will ensure a stronger throat hit. Propylene Glycerol is considered a powerful humectant, meaning it will produce dry mouth and throat if used constantly on a regular basis.

Does not affect flavoring: Your flavor intensity with your vape juice will not be altered due to PG, the reason is because it is a tasteless and odorless compound.

Allergy Risk: Propylene glycol has been known to cause allergic reactions in very minimal e-cig users. These often times vary from minor reactions, like a slight tingling sensation in the throat, to a more serious irritation of various parts of the body. If any odd symptoms are experienced during vaping PG e-liquid, then it’s best to discontinue use immediately and switch to VG e-juice. If necessary consult your doctor. Over-all there are minimal risk factors involved with this organic compound; the largest risk is PG sometimes triggers an allergic reaction.

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VG E-Liquid:

If you have ever witnessed large, billowing clouds of smoke then you are observing a Vegetable Glycerin base e-juice product. 

Properties of VG E-Liquid: Pre-existing flavor and sweetener and low vapor density

Thicker: Vegetable Glycerin is a considerably thicker compound solution in comparison to propylene glycol. It also has a slower absorption rate for cartomizers within the vaporizer. Also from viscosity measurements performed on both substances, its found VG has a high viscosity level.

More Gunk: Due to it’s thicker consistency, VG tends to gunk and clog up vaporizers, resulting in more cleaning of your vape tool.

Sweeter: By itself VG carries a slight sweet taste which also makes the e-liquid sweeter and the flavors become a little more difficult to detect.

Allergy Risk: VG tends to be less allergenic than PG. It is known that propylene glycol can cause dry mouth, some vapers have complained that phlegm build up happens after vaping vegetable glycerin base e-juices.

Less throat hit: Vg based E-liquid also gets you less throat hit than the first choice compound offers.

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PG e-liquid base tends to provide you a better throat hit and a ton more flavor. Vapers usually prefer Dirt Cheap E-Juice and the options for many blends that we offer. VG e-liquid on the other option, allows your atomizer to produce a whole lot more vapor. VG e-juice is a thicker and stickier fluid, and although most do not show signs of allergic rhinitis, there are a minimal amount of users that complain of to much phlegm build up as a result of vegetable glycerin. The VG you use the less of a throat hit and smoke-feel experience you will get.

The vaping community seems pretty evenly divided when it comes to preferences between vg or pg. Some enjoy an intense throat hit experience with action packed flavors, while others prefer the sweet, thick billows of vape clouds. It really boils down to preference.

Mix PG and VG, is it Safe?

Yes! Dirt Cheap E-Juice sells several different blends of pg/vg ratios. The organic chemistry of these two organic compounds result in a no risk, other than allergy induced symptoms. The optimum ratio that you desire can be found with us.

Pg and VG blends: What are they?

50-50- 50(VG)-50(PG) offers a balanced vape experience of flavor, vapor, and throat hit. Some find they can taste the sweetness of the VG and are looking for a stronger throat hit.

70-30- 70(VG)-30(PG) Best ratio for those looking for lots of vapor but still want to notice a little throat hit as well. 70-30 produces a smooth feeling that doesnt overwhelm when inhaling. It’s the spot where most feel they get the best of both worlds.

90-10- 90(VG)-10(PG) Mainly formulated of Vegetable Glycerin, this blend creates a bold flavored, large cloud, smooth experience. The only throat hit you really feel will be the nicotine level that you use.

Propylene Glycol (PG): greater throat hit and more flavor.

PG e-liquid is thinner and produces more of a throat hit than VG e-liquid does, which stimulates a smoke feel more so. PG e-liquid also has a higher rate of allergic sensitivity for a minimal amount of people. Usually side effects are mild allergy symptoms. This is also an odorless tasteless compound.

Vegetable Glycerin (VG): more cloud and less throat hit.

VG e-liquid is thick and a little more sweet. It produces luscious clouds of vapor, more so than the propylene. VG e-liquid also imparts a sweeter taste to your liquid, masking some of the flavors.

Is PG or VG considered safer?

Both VG and PG are used in a variety of foods, as can be found on many food labels, that are comsumed on a daily basis, and are deemed safe by the FDA. However, in some small cases, people have experience minor allergic reactions, the most common is a skin rash.

Which is better, VG or PG?

The true answer is neither-- in most cases you need both to get the best of both worlds. Some prefer 100 VG e-liquid only while others enjoy 100% PG only e-liquids.

Bradley Collins