Teens Still Getting E Cigarettes Through Loophole in FDA Ban E Cigarette Devices Juul can continue to sell e cigarettes, FDA says Ads for E Cigarettes Today Hearken Back to the Banned Tricks of Big Tobacco Nonnicotine vapes may be marketed as safe, but many still contain chemicals, have unknown health effects, and aren't FDAregulated. Teens are using them more ofteneven alongside nicotine vapes. No ecigarette is riskfree.