Does Vape Smoke Stick to Walls? Velvet Cloud Most people know smoking indoors is a no go, but did you know that vaping indoors isn't allowed in North Dakota either? Thank you for helping keep shared spaces comfortable for everyone! What's really inside vapes? We pulled them apart to find out ABC News The Health Effects of Vaping Indoors Indoor Doctor BLACKPINK's Jennie under fire for vaping indoors Celebrity Images If someone vapes indoors, does an air purifier actually help? Vape smoke is technically an aerosol, made up of tiny droplets containing ingredients like propylene glycol, vegetable glycerin, nicotine, and flavouring agents.