E cigarette and Vape Market Size, Share & Forecast Analysis to 2035 High concentrations of flavor chemicals are present in electronic cigarette refill fluids Scientific Reports E Cigarettes, Vapes, and other Electronic Nicotine Delivery Systems (ENDS) FDA Hamburg, Germany. 12th Dec, 2018. James Monsees (r) and Adam Bowen, founder of the e cigarette manufacturer "Juul", look into the photographer's camera at the Hotel Tortue. "Juul" is the market leader for