4 Ways to Remove Smoke Smell from Wood Furniture Hawk Hill Vaping is harmful in 3 ways: 1.) To the user, as harmful ingredients are not disclosed. 2.) To others, as vape clouds contain cancerous chemicals, heavy metals, and nicotine, which can be 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 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.