Unlike MAX VG e Juice, 100% VG E liquid contains no PG at all. Typically electronic cigarette liquid consists of 3 core ingredients. These are PG (Propylene Glycol), VG (Vegetable Glycerin) and Flavourings. In a typical 10 ml bottle of vape juice, there can be anything from 10 to 25% flavourings. The rest is a mix of PG and VG. If the mix consists of VG alone, the result will be typically labelled as VG e liquid or Max VG. This however is not necessarily 100% VG.