They're an ultra-discreet alternative to chewing tobacco that satisfies both the oral fixation and nicotine craving simultaneously
Ganbold, C
Nic salts naturally have an incredibly high vaporising temperature, so alongside the same VC, VG and flavourings as freebase nicotine formulas, nicotine salts are combined with an acid, usually benzoic acid
Regul Toxicol Pharmacol 67:1326 Sturla SJ, Boobis AR, FitzGerald RE, Hoeng J, Kavlock RJ, Schirmer K, Whelan M, Wilks MF, Peitsch MC (2014) Systems toxicology: from basic research to risk assessment
The intense sun reduces the moisture content drastically, making fish last for months without refrigeration