Nicotine salts. It's the new thing on the block and smokers and vapers alike are flocking to it to quit cigarettes for good. If you haven't heard of it before, nicotine salt basically allows you to vape at higher nicotine strengths without getting the rough throat hit you're typically used to.
Freebase nicotine has a higher pH level which affects the alkalinity. ... Whereas, salt nicotine have a lower alkalinity due to the benzoic acid which gives you a reportedly smoother throat hit.
The key ingredient was benzoic acid, which was added to control the specific nicotine salt formed in the e-liquid. ... By adding benzoic acid, the vapor from nicotine salt e-juice has a lower pH and is less harsh to vape, but chemical reactions occur during vaping that maintain high freebase nicotine content in the vapor.