Abstract Electronic cigarette has the potential to serve as a tobacco cessation aid if the prerequisites which are safety and efficacy in term of nicotine delivery are achieved. The nicotine-based liquids are mainly composed by propylene glycol and glycerol playing the important role of airborne carriers. 1. 3 propanediol is proposed as a propylene glycol substitute to potentially imp... https://editsbloomchices.shop/product-category/brooches/