PG and VG in Vaping - Explained

In terms of e-liquid, juice or e-juice, ratios of PG and VG can be seen on the labels. For newcomers to vaping, this might seem baffling at first, so here we shall explain all about PG and VG in vaping and how the ratios of these ingredients affect the vaping experience.

What does PG stand for in vaping? In e-liquid vaping terms, PG stands for Propylene Glycol. Propylene Glycol is an alcohol which is void of colour and odour. It's chemical name is propane-1,2-diol. In general, PG is regarded as a safe and non-toxic substance, and is found in a wide range of products from cosmetics to pet food.

What does VG stand for in vaping? VG on e-liquid bottles stands for Vegetable Glycerine. This is an alcohol which is also colourless and odourless, however VG is much sweeter in taste than PG, as well as being more viscous. It's chemical name is propane-1,2,3-triol. Just as PG is, VG is also considered safe and non-toxic to consume, being found in food and other products.

What is the difference between PG and VG in vaping? The differences between the two e-liquid ingredients, PG and VG, in e-liquid lie very much in their chemical structures, an how this enables them to behave.

E-liquids higher in PG will give a stronger throat hit when vaping, similar to that of a traditional cigarette. This is something that is favoured by those who are switching from smoking to vaping, making the transition much easier. PG based e-liquids are thinner, and therefore better at soaking the wick more effectively, which can help prevent the problem of burnt wick. Another advantage PG has over VG is that it carries flavours more effectively.

E-liquids higher in VG will be smoother on the throat when vaping, which is ideal for those who do not like a strong hit to the throat, or for those who are looking to wean off the feeling of smoking. While VG gives a lesser throat hit, it does produce larger vapour clouds. The clouds of vapour are thicker and denser than PG clouds. By striking the right balance in e-liquid mixtures, it is possible to produce blends which give a substantial vapour, while also giving a satisfying throat hit. The more experienced people get with vaping, the more they will likely experiment and find something that suits their personal taste the best.

How to find the best PG VG ratio in e-liquid Some people might find they are sensitive to PG, which can irritate the throat. Although this is rare, the good news is that that person can still vape by switching to VG based e-liquids. Many e-liquids come in a 50/50 ratio of PG to VG, and many beginners start with that, however it is possible to buy other mixes to satisfy your personal requirements.

Choose a higher ratio of VG if you want large clouds of vapour and a smoother feeling on the throat. VG e-liquids also give a sweeter taste too. If you want the strong throat hit from vaping, then choose a higher ration of PG in your liquid. A higher ratio of PG is also useful for those who find they have problems with the wick drying out or the coil burning.

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