One key limitation is their inability to provide a complete seal, as they cannot fit tightly against every individual's face contour
Try it out and you shall not be disappointed
But the e-cigarette is cold and inert
Device Migration Under the Ban Disposable e-cigarettes are restricted by policies, peaking at 31% in 2023 before declining to 24% in 2025
For businesses, the risk is also commercial: products without proper tax stamps or security features may face customs delays, market-entry barriers, seizure, fines, or rejection by distributors
WHO - World Health Organization (2023), WHO report on the global tobacco epidemic, 2023: Protect people from tobacco smoke , Geneva: World Health Organization.