Notice: We use Cookies, including some from third parties, to make the site simpler to use. If you continue use of our website, you consent to the use of such cookies. You can change cookie preferences by adjusting your browser settings. Find out more about Cookies.
Propylene glycol (PG) and vegetable glycerol (VG) are diluents. They are often referred
to as the base liquids, and when combined with flavour concentrates, they form a
mixture that can be vaped.