You won't have any nicotine left in your system at all in as little as two or three days after your last vaping or smoking session
Sources Tips from Former Smokers: Burden of Cigarette Use in the U.S
Although there is no nationwide e-cigarette ban, the FDA announced a ban on almost all flavored vaping cartridges and pods in 2020
doi: 10.1016/j.ypmed.2008.04.009 Hyland, A., Bauer, J., Li, Q., Abrams, S., Higbee, C., Peppone, L., & Cummings, K
Furthermore, the e-cigarette industry also targets non-smokers, with designs and flavours that appeal to a large crowd, even the very young, and that carry the risk of a lifelong nicotine addiction
These substances have unknown health effects on the lungs and need more study, Dr