Nicotine salts are forms of nicotine produced when nicotine combines with an acid. Nicotine also occurs naturally in tobacco leaves. In e-liquids, different acids can be used in nicotine salt formulations.
Nicotine is an addictive chemical found in tobacco. E-cigarettes containing nicotine expose users to nicotine, and a smoother sensation does not mean that a product is nicotine-free or harmless.
Nicotine salt formulations generally have a lower pH than comparable freebase nicotine formulations. They can make higher nicotine concentrations feel less harsh on the throat. Nicotine delivery depends on the formulation, concentration, device and how it is used; the salt form alone does not establish a faster absorption rate.
The distinction is the form of nicotine in the liquid. Nicotine salt e-liquids may feel smoother, while freebase formulations can feel harsher at comparable concentrations. Both can contain addictive nicotine, and the amount delivered varies by product and use.
Taste and throat sensation vary by formulation and individual. Nicotine salts may produce a less harsh throat sensation, but flavour also depends on the other ingredients and the device.
Nicotine concentration is commonly stated in mg/mL or as a percentage; 20 mg/mL equals 2%. Higher concentrations can increase nicotine exposure, even when the aerosol feels smooth. Legal limits and permitted products vary by market. For example, UK rules limit nicotine-containing e-liquid supplied for retail sale to 20 mg/mL. Check the applicable local requirements and the product label.
Nicotine products are intended for adults who already use nicotine, not for young people or people who do not use tobacco or nicotine. Anyone seeking help to quit can consult a healthcare professional or local stop-smoking service.
SP2S develops vape hardware and products. For product information, visit www.sp2sglobal.com.
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