Tuesday, April 1, 2014

Propylene Glycol (PG) Vs. Vegetable Glycerin (VG)

Propylene Glycol (PG) Vs. Vegetable Glycerin (VG)

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Propylene Glycol (PG)

Pros and Cons of Propylene Glycol (PG)

Propylene Glycol (PG) Pros:

Better Flavor Retention
More Throat Hit

I will not get into the chemistry here, but the nature of propylene glycol compared to vegetable glycerin is that of one which binds to the flavor more easily. This allows you to get better flavor and a longer shelf life of flavor with higher PG blends than with VG dominant juices.

The throat hit could be a pro or con, depending on the person you talk to. The throat hit also largely depends on the wattage/ voltage your vape pen has combined with the strength of nicotine (the higher the mg of nicotine, the higher the throat hit). Generally though PG dominant blends give you more throat hit than VG dominant blends.

If you have a 50/50 blend of VG and PG, that should still be relatively smooth hit, without the throat hit because the VG mellows the mixture out. If you have a mixture of 60/ 40 PG/VG then you should start to get a decent throat hit due to the PG. Anything lower than that will typically be smoother.

Propylene Glycol (PG) Cons:

Less Vapor Production
Less Thick Vapor (dissipates quickly)
More Throat Hit

If you have juice with more PG than VG you will notice that, one the juice is thinner, more like a consistency of water, but two, you will notice that the vapor production from your vape pen is much thinner. You may also notice that it has less vapor production and dissipates more quickly. This is a big con to some, as they like big clouds of vapor, but to others, it may not be such a big deal.

Some people are also sensitive to PG, more so than VG and thus may have itchy, irritated, or harsh throat hits from PG. If this is the case, many opt for 100% VG blends in thier vape pen starter kits.

Vegetable Glycerin (VG)

Pros and Cons of Vegetable Glycerin (VG)

Vegetable Glycerin (VG) Pros

Thicker, more dense clouds of vapor
Less Throat Hit

You may notice that VG is very thick, almost like the consistency of oil. This is also the case with the vapor it produces. It gives a much thicker and fuller cloud than the PG blends give. Some people like to have their juice with 100% VG or with a higher percentage of VG because the vapor production is so good, so choose a great begginner starter kit with good E Juice. These people love experiencing the large clouds of vapor when vaping. This is one of the biggest benefits of VG to some people. VG also gives less throat hit, or a smoother vaping experience.

Some users do not like the throat hit, and some do, so this is a pro and con of both types of juice, it just depends on your perspective and your personal opinion.

Vegetable Glycerin (VG) Cons

Less Flavor
Less Throat Hit

One of the biggest drawbacks to VG is that it has les flavor. This is just part of the nature of the chemical structure of VG as it does not bind to the flavoring like PG does. Juice with more VG can actually lose its flavor quicker than a higher PG blend. Sometimes it helps to add extra flavor to the VG juice blends so it can make up for the lack of flavor.

4 comments:

  1. This allows you to get better flavor and a longer shelf life of flavor with higher PG blends than with VG dominant juices.
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