Do Dry Herb Vaporizers Smell? Planet of the Vapes Vaping Indoors and How it Contributes to Sick Home Syndrome Bactronix When someone vapes around others they expose them to 'second hand aerosol'. But what happens to that aerosol then? Does it disappear or is it like cigarette smoke and stays around, sticking to How Long Vape Smell Lasts: Unveiling the Lingering Essence Ecigator Does Vaping Leave Residue on Walls? And How to Prevent Ilookah Even after a cigarette is extinguished, nicotine and other chemicals react with indoor pollutants to form a hazardous film known as thirdhand smoke. This residue re emits harmful gases back into the environment.