It does not require heating or chemical agents to produce 1-5 micron water particles floating in the air to achieve air humidification
Grady D, Greene J, Daniels TE, Ernster VL, Robertson PB, Hauck W, Greenspan D, Greenspan J, Silverman S: Oral mucosal lesions found in smokeless tobacco users
I have tried both with and without "Extra Flavor" thanks to my step-son who gave me several bottles and found I liked both, however, the "Extra Flavor" produced a cough after bout those same 10 "hits"
Additional Resources July 2020: FDA Notifies Companies, Including Puff Bar, to Remove Flavored Disposable E-Cigarettes and Youth-Appealing E-Liquids from Market for Not Having Required Authorization November 2018: FDA warns company for selling e-liquids that resemble kid-friendly foods as part of the agencys ongoing Youth Tobacco Prevention Plan August 2018: Companies cease sales of e-liquids with labeling or advertising that resembled kid-friendly foods following FDA, FTC warnings May 2018: FDA warns more companies to stop misleading kids with e-liquids that resemble kid-friendly foods as part of Youth Tobacco Prevention Plan May 2018: FDA, FTC take action against companies misleading kids with e-liquids that resemble childrens juice boxes, candies and cookies Images from November 2018 E-Liquid Warning Letters (archive) Images from Summer 2018 E-Liquid Warning Letters (archive) FDA's Youth Tobacco Prevention Plan Vaporizers, E-Cigarettes, and other Electronic Nicotine Delivery Systems (ENDS) ANPRM for Nicotine Exposure Warnings and Child-Resistant Packaging for Liquid Nicotine, Nicotine-Containing E-Liquid(s), and Other Tobacco Products
