Frequently Asked Questions

A battery-powered device that heats a liquid (e-liquid) into an aerosol the user inhales. Most e-liquids contain nicotine. They are also called vapes or electronic nicotine delivery systems (ENDS).

E-cigarettes are sold as an alternative for adults who smoke, not as FDA-approved quit-smoking medicines. Research reviews have found that nicotine e-cigarettes help more people stop smoking than nicotine replacement therapy such as patches or gum.

Source: Cochrane review, “Electronic cigarettes for smoking cessation”

Usually propylene glycol, vegetable glycerin, nicotine, and flavorings.

No nicotine product is risk-free, and e-cigarettes are not for young people, non-smokers, or people who are pregnant. For adults who smoke, major scientific reviews have found that e-cigarettes are likely far less harmful than cigarettes, while long-term effects are still being studied.

Sources: National Academies of Sciences, Engineering, and Medicine (2018); Royal College of Physicians (2016)

Nicotine is addictive, but according to the FDA, it is the thousands of chemicals in tobacco and tobacco smoke that make tobacco use so deadly, including causes of cancer and lung disease.

Source: FDA, “Nicotine Is Why Tobacco Products Are Addictive” (updated August 2026)

Since 2016, e-cigarettes have been regulated as tobacco products. A product needs FDA marketing authorization through a premarket tobacco application (PMTA) to be legally sold. In 2026 the FDA issued enforcement priorities for unauthorized products, and in September 2026 it announced it will evaluate changes to the PMTA rules.

Sources: FDA enforcement priorities (May 2026); FDA PMTA announcement (September 28, 2026). Follow updates on News & Legislative Watch.

21. Anyone who appears to be under 30 must show a valid photo ID. The Tennessee Department of Agriculture checks retailers with unannounced inspections.

Source: Tennessee Department of Agriculture, “Halting Tobacco Sales to Minors”

Since July 1, 2025, vapor products have been subject to a state tax. Manufacturers must also register each product for the Department of Revenue’s vapor product directory, and wholesalers have their own registration and reporting requirements.

See our Product Licensing & Registration page and the Department of Revenue tax notice.

No. Businesses and property owners can set their own rules, and some places restrict vaping where smoking is banned. Look for posted signs and ask if you are unsure.

TSFA was founded in 2014, and its members are shops from across the whole state of Tennessee. TSFA represents Tennessee vapor businesses and adult consumers, works with lawmakers on fair and responsible vapor policy, and keeps members informed. Find your legislators with our Find My Legislator tool, follow updates on News & Legislative Watch, or join TSFA.