What are the ingredients in e liquids and e cig cartomizer refills? < Go Back

The ingredients in e liquid

E liquids consist of four main ingredients:

  • Nicotine
  • Propylene glycol (PG)
  • Vegetable glycerine (VG)
  • Flavourings

What are PG & VG (propylene glycol & vegetal glycerine)?

Propylene Glycol

Propylene Glycol or PG is commonly used in the food industry and is a colourless liquid with a slightly sweet taste. It is primarily used as a ‘base’ in e-liquids and has a lower viscosity than vegetable glycerine.

Vegetable Glycerine

Vegetable Glycerine or VG is also a colourless liquid used in the food industry, mainly as a sweetener. It can either be synthetic or derived from plants or animals and acts as a flavouring and thickener in e liquids.

WHAT DO THE PG/VG PERCENTAGES IN E LIQUIDS MEAN?

E liquids are produced with different levels of PG & VG, with different mixes producing a different throat hit, strength of flavour and amount of ‘cloud’. These mixes are displayed in percentages as 80/20 PG/VG or 80VG/20PG, for example.

See the chart below for an idea of what effect the different ingredient levels have.

PG/VG MIX

THROAT HIT

FLAVOUR

 CLOUD PRODUCTION 

HIGH PG (anything above around 60% PG)

STRONG

STRONG

LOW

50% PG/50% VG

MEDIUM

MEDIUM

LOW/MEDIUM

HIGH VG

LOW

MEDIUM

HIGH

Both Propylene Glycol and Vegetable Glycerine are required to produce an effective e liquid and therefore even high or ‘Max VG’ juices tend to contain a small amount of PG, and vice versa.


Can you use high VG e liquids in ego vape pens?

Our Sub Ohm E Liquid range (not sure what sub ohm means?) has an 80VG/20PG ratio and is, as the name suggests, suitable for use with sub ohm kits and tanks such as the Smok Priv V8 and Aspire PockeX.

It’s not recommended to use sub ohm e liquids in ego vape pens or standard, above ohm tanks. VG has a higher viscosity than PG and therefore atomises at a different rate, which can cause a burning taste. It can also ruin your coils.


Can you use high PG e liquids in sub ohm vape kits & tanks?

Our Classic E Liquid range is a 70PG/30VG mix for great flavour and subtle vapour production in ego style vape pens and other above-ohm clearomizers and kits.

We don’t recommend using high PG e liquids in sub ohm tanks or kits as the higher nicotine content delivered at a faster rate due to the higher coil resistance makes them very harsh. They can also produce a burnt taste when used in sub ohm tanks due to the thinner consistency of the e liquid meaning it heats at a faster rate than high VG e liquids. Some vapers like to use a 50PG/50VG ratio in sub ohm tanks. This is the highest ratio of PG that would recommend for use with sub ohm tanks.

Confused about sub ohm and above ohm? Read our guide to different types of electronic cigarette for more information.

Shop the Classic PG E Liquid Range

15+ delicious flavours with 70PG/30VG

Shop the Sub Ohm VG Range

8 great flavours with 80VG/20PG