Can You Vape 100% VG?
Yes, You can vape an e-liquid that consists of 100% Vegetable Glycerin (VG). Still, it is recommended that you go for a blend of both Propylene Glycol (PG) and Vegetable Glycerin (VG), as PG is a better carrier of both nicotine and flavourings than VG.
High VG eliquid generally has a much thicker viscosity than liquids with higher PG percentages. With the liquid being much more viscous, it needs to be heated at a much higher temperature to produce the vapour, and by doing this at high temperatures, it will produce a much more dense and thicker cloud than higher PG liquids.
High VG e-liquids will need to be used in a device powerful enough to create enough heat to vaporise the e-liquid; these devices are usually the bigger mod-type devices that let you have control over the wattage and temperature.
We are seeing more pod-style devices available capable of vaping higher VG e-liquids. These devices require the user to inhale them direct to lung (DTL) rather than mouth to lung (MTL).
As VG is not a great carrier of nicotine, you will generally find that they do not come in high nicotine strengths, around 6mg being the strongest available. VG is also not a great carrier of flavourings, but VG itself is a sweet substance and will add its own sweetness when mixed with other substances to make up an e-liquid. You can expect a much smoother vapour when using a higher VG juice.
Can You Vape 100% PG?
Yes, it is possible to vape 100% Propylene Glycol (PG), but this would not be recommended as 100% PG juice will usually be found as base ingredients that make up vape juice, like flavour concentrates or plain PG to make juice thinner for example.
As PG has a much thinner viscosity compared to Vegetable Glycerin (VG), it will not produce as much vapour as the thinner substance does not require the high power and temperature needed to vaporise VG.
As PG does not require high power and temperatures to be vaporised, it is most commonly inhaled using the mouth-to-lung (MTL) method, as liquids containing a higher PG percentage will be the e-liquids that replicate the sensation of smoking a cigarette. These types of e-liquids will generally be used in lower-wattage devices as the high power functions of the mod-style devices would be too much for these juices.
High PG e-liquids are recommended for anyone with the intention of quitting smoking as high PG juices are a much better carrier of nicotine, meaning that you can purchase a range of e-liquids with several higher nicotine strengths, like 18mg and 12mg, for example. PG is also a better carrier of flavourings because concentrates can mix into its thinner viscosity much easier than VG.
For more insights check out our article what does 75 VG mean on vape liquid?