What You Need to Know About Your Children and Vaping Inspira Health 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. Does Vaping Smell? and How to Tell if Someone Is Vaping Ultra Liquid Labs 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 Does Vaping Smell? Does It Leave A Stink? What happens when you quit smoking and start vaping?