PSA: Vaping indoors doesnt just vanish into thin air it leaves behind a sticky, oily residue that builds up on windows. If your glass looks hazy no matter how much you clean it, this might be why How to Detect if Someone is Vaping in Your Home: Key Signs to Watch It's Not Just Cigarettes: Vape Residue Sticks on Surfaces Too Thirdhand Smoke Resource Center Vaping leaves behind a toxic residue on your couch, clothes, or carpet could be affecting your heart health. A new study found that toxic thirdhand chemical residue from vapes caused Health effects of electronic cigarettes Wikipedia