This is a Guide To Best Selling Salt Nicotine E-Liquid Brands in 2023 – And Why? Choosing an enticing e-juice is a challenge in this vape industry with hundreds of salt choices. The salt industry, being so new, is also quickly changing and evolving. Here, we look at which nic salt e-liquids have been the best-selling at Vapour Days UK so far in 2023, and why customers love them!