How Long Does Vape Smoke Stay On Clothes It's Not Just Cigarettes: Vape Residue Sticks on Sitting somewhere when a cloud of cotton candy vapor washes over you? If you can smell the sweet scent of a vape, that's not a great sign. 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 Vaping or Cigarettes: What's Better for You?