While smoke and vapor may seem similar, smoke from burning delivers a harmful chemical punch due to its chemical reaction. Explore what's inside both and uncover the differences here: https: www.pmi.com our science the difference between cigarette Vape pen smells can build up and cause the room you vape in to have an odor. We'll share the best ways to prevent and fight vape odors quickly, along with easy Exploring the Truth Do Vapes Leave a Smell VEIIK What Does a Vape Smell Like? Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center Do Nicotine Vape Pens Smell?