Propylene glycol hi res stock photography and images Alamy 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 L'anatomie d'une batterie de cigarette lectronique Le blog Cigaretteelec Some e cigarette ingredients are surprisingly more toxic than others Batterie Box pour Cigarette electronique chez E Dclic (2)