How to Detect if Someone is Vaping in Your Home: Key Signs to Watch Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center Will Vaping Set Off Hotel Smoke Alarms? How Long Does Vape Smoke Stay in the Air? LOOKAH Even after a cigarette or vape is put out, toxic chemicals don't just disappear. They cling to furniture, carpets, walls, clothing, everything it touches. This residue is called thirdhand smoke. And it Is It Safe To Vape At Home? TECC Blog