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. How long does vape smell last? What does the smell of stale tobacco smoke mean? Thirdhand Smoke Resource Center Vaping vs smoking information Vaping infographic Vaped 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,