Do you know what you're vaping? Propylene glycol (PG) and vegetable glycerin (VG) are the main liquids in vapes. When heated, these chemicals turn toxic and aren't safe to breathe. E liquide Origin, e liquide Medusa Juice Explosion de Cactus et Fruits Rouges Eleciga What's hiding in that vape puff? Vapes might look clean or harmless on the outside, but inside the aerosol is a mix of chemicals and metals created when the liquid is heated. Blowing Smoke: What's the Best PG to VG Ratio? KiwiCig