Nicotine Salts are found in tobacco plant leaves, it is used to replace the traditional freebase nicotine and gives a more smoother inhale. These nic salts are popular with ex-smokers because it gives the high level of nicotine needed in a short puff, this also does not deliver the harshness to the throat as some high strength e-liquids can do. There are also many options with this kind of vaping as nic salts are available in many flavours and strengths which keeps the vaping enjoyable.