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. Vaping Indoors: How Vaping Affects Indoor Air Quality Up in Smoke: The Hidden Dangers of Vaping Indoors What's really inside vapes? We pulled them apart to find out ABC News 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!