100% VG refers to a type of e-liquid used in vaping that is made entirely of vegetable glycerine. According to provided information, 100% VG e-liquids are also known as PG-free e-liquids. This is because they contain only vegetable glycerine (VG), which is derived naturally from plants. In other words, it is a special type of vape juice made with only vegetable glycerine (VG), a substance that's naturally derived from plants.
