Salt nicotine is nicotine produced from nicotine from the tobacco leaf or synthetically made inside a lab that's mixed with the acid including Benzoic Acid, to reduced the pH with the nicotine and decrease the alkalinity in the nicotine to provide a smoother vaping expertise with a better nicotine strength. https://iptvuk73961.blogocial.com/a-secret-weapon-for-raz-disposable-vape-65690102