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 What Ingredients Are in E Liquids? Skyline Vape Shop Skyline Smoke Company E cigarettes, aka JUULs and vape pens, use a battery to heat up a special liquid into an aerosol that users inhale. It's not just harmless water vapor. The "e juice" that fills the E cigarette For Beginners Electronic Cigarette Broschure