CEO Kevin Burns made the statements during an interview that aired Thursday on "CBS This Morning.". Don't start using nicotine if you don't have a preexisting relationship with nicotine. Don't use the product. You're not our target consumer, Kevin Burns, Juul CEO, via Insider. Burns was asked whether Juul products are toxic. We do toxicology testing on all of our products, Kevin Burns, Juul CEO, via Insider. The Juul CEO conceded that the long-term effects of vaping are not yet known. We think we have a product that is legal today, is tested for toxicity, and does not present ... a risk based on the guidelines of the category today to the American public, Kevin Burns, Juul CEO, via Insider. On Wednesday Juul announced plans to curb underage purchase of its product electronically. According to the Food and Drug Administration, teen vaping is an "epidemic."