Mini Cigarette Electronique pas cher Meilleures offres sur le neuf et l'occasion Some e cigarette ingredients are surprisingly more toxic than others Propylene Glycol 10ml TNT Vape Full PG Smo king We break down the key differences between traditional cigarettes and e cigarettescovering: 1 Their compositions and ingredients. 2 The health risks associated with both. 3 Nicotine levels and addiction potential. 4 The impact 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.