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 Residue left by vapes can pose health risk to young children The vapor from vaping devices leaves an oily residue on surfaces, making it hard to see out the window. This can be especially dangerous during the colder winter months, when the temperature Does Vaping Leave Residue on Walls? And How to Prevent Ilookah