Is Vaping Eco Friendly? Environmental Impact vs. Smoking Montauk Village Vapes In secondhand vape, scientists smell risk American Heart Association The safest vape is the one you never start. Flavoured vapes were designed to feel harmless: Candy taste. Fruit smell. Cool packaging. Viral aesthetics. But your lungs don't care about the flavour. How long does vape smell last? There are no safe tobacco products, and yes, that includes vapes. The sleek, battery powered devices heat up liquid packed with nicotine and other harmful chemicals that turn into an aerosol you inhale