Of course it will. What are you talking about? When it comes to the liquid for your vape pen you can choose the nicotine dosage and flavors. You can start off high to satisfy a heavy smoker and then keep reducing it  every few weeks (12 -> 9 -> 6 -> 3 -> 0 mg). Eventually you lose the addiction to nicotine and you can either vape at 0 mg if you like it or stop completely. This works much better than any other method (e.g. patches, gums). I've been through this process and know a few people that are halfway there.