PG and VG are two common base ingredients in e liquids for electronic cigarettes, playing crucial roles in various vaping products. Let's explain their meanings using simple and understandable Ge Gou Nicotine, propylene glycol, sweet flavorings, and various toxic chemicals like carcinogens and heavy metals are found in vape juice, posing health risks, especially to youth. Wholesale Propylene Glycol PG Pure Propylene Glycol Nicotine River vape pen refillable TikTok Shop