In SALT e-cigarettes liquids are used high-quality nicotine salt, also known as saltbase nicotine. Nicotine salt are formed when an acid is mixed in a solution with free-base nicotine.  Nicotine salts has been known for a long time, but in many countries it gained popularity only a few years ago. Nicotine salts have a unique chemical makeup that allows for quick absorption and efficient satisfaction of nicotine cravings. Although the pH levels of nicotine salts tend to be more acidic than the human body, their particle size and chemical properties still contribute to rapid absorption.

In SALT disposable e-cigarettes is used nicotine benzoate – mixture of nicotine and benzoic acid. Nicotine benzoate helps to provide a sensation similar to that of smoking traditional cigarettes. Nicotine benzoate  gives a smoother throat hit especially at higher nicotine contents.