Description: UNC Center for Tobacco Regulatory Science and Lung Health E-liquid Database. E-cigarettes produce a cloud-like vapor by heating what is known as e-liquid. E-liquid is a viscous fluid composed of propylene glycol (PG), vegetable glycerin (VG), flavorings, and other chemical additives such as nicotine. Many of these flavorings and chemical additives contained in the e-liquid have never been tested on the lungs and their effects are largely unknown.
Number of Chemicals: 157