Juul will stop selling most flavored e cigarettes in retail stores, source says Los Angeles Times St. This vaping device, called a JUUL, might look like a USB drive, but it contains nicotine and other harmful chemicals. Alarmingly, this easily hidden device and its enticing vapor flavors, like Vaping is a 'real problem' says school in viral PSA to parents FDA Orders Juul to End Vaping Sales Respiratory Therapy