What does the smell of stale tobacco smoke mean? Thirdhand Smoke Resource Center Vape vs Joint Smell: Discretion, Duration, and Detection 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. Malaysian The smell of vape doesn't tend to linger in the environment and it usually dissipates within seconds. Unlike cigarette smoke that sticks to your clothes, hair and even your car, How long does vape smell last? Does Vaping Smell? Ways to Reduce the Vape Aroma Ecigator