Understanding VG Vs PG

Understanding VG Vs PG



It’s easy to get lost down the rabbit hole when first learning about vaping, with so many acronyms, jargon and features you’d never even thought of, but it doesn’t have to be complicated. Let's break down what VG and PG actually means, how they differ from one another, and which is best for you, whether you’re just starting out on your vaping journey, or you’re looking to mix up your current ratio.

So, what is PG and VG?

When combined with flavour and nicotine, they create the juice which is added to vapes. Both odourless, they have unique qualities which impact the results of your e-liquid, dependent on the ratio you opt for.

Propylene glycol (PG) is classed as alcohol, with its chemical name as propane-1,2-diol. It is not believed to be harmful, and as such is used in foods, cosmetics and inhalers, among other things, because of its ability to hold moisture.

Vegetable glycerine (VG) is also an alcohol, and its chemical name is propane-1,2,3-triol. As well as PG, VG is non-toxic and used in toothpaste, baked foods and food flavourings, to name a few. This is due to its sweet taste – differing from tasteless PG, and its ability to act as a solvent, with preservative and moisture-retaining features.

Which is better?

Now, this depends on your preferences, but we’ll make it as simple as possible.

In terms of flavour, PG is your best bet. PG provides a sharp flavour, whereas VG can often tone down the added flavours due to its naturally sweet tinge. If you really want to experience the strong flavours on offer, without it being diluted, a strong PG presence will guarantee this.

If you’re looking to create huge clouds, VG is the one for you. Without VG, there will be very little vapour production, with an appearance similar to cigarette smoking. 

If you’re entering the vaping sphere in an attempt to quit cigarettes, PG provides a similar experience to smoking, with a strong throat hit and thin clouds, as well as flavours to keep cravings at bay.

If you’re looking to smoke for fun, VG will most likely suit you better, as it already has a slightly sweet flavour, making it often more enjoyable than PG, which can really ‘pack a punch’.

But what does it all mean?

The liquid that you add to your device is known as e-liquid. It features 3 main ingredients; nicotine, PG (propylene glycol), VG (vegetable glycerin), as well as flavouring. The ingredients are all added in varying amounts, which creates a different experience depending on the ratio.

The average percentage of nicotine and flavouring in your liquid is around 10% each, with the remaining 80% left for VG and PG. How much of each you add will determine the flavour, strength and vapour production (also known as clouds).

Most beginners start out with a 50/50 ratio of VG and PG to get an idea of which features they do and don’t enjoy, and then alter the ratio for their next e-liquid, although it is possible to be allergic to PG, as well as finding it to be a throat irritant.

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