VG & PG In Vape Juices: What You Need To Know 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 Are vape pens 'healthier' than cigarettes? Live Science Great question! Here's a clear comparison of smoking vs. vaping, especially in the context of surgical and skin health (like facelift outcomes): Smoking (Tobacco) WORSE overall Key Harms: Quantification and cytotoxicity of degradation products (chloropropanols) in sucralose containing e liquids with propylene glycol and glycerol as base ScienceDirect