It's Not Just Cigarettes: Vape Residue Sticks on Surfaces Too Thirdhand Smoke Resource Center 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 Vape Residue: how to clean? : r Vaping Vaping residue can transfer between rooms, new study finds Vaping residue can transfer between rooms, new study finds