If you have the extra money, liquid soap has quite a very advantages to normal bar soap, the biggest of which is no more of that melted soap in your soap dish. But since liquid soap is usually considerably more expensive than normal soap, most people go for the bar soap instead.
Now you can have your soap and use it too! With DIY home-made liquid soap, you can make your own liquid soap, choose the scent that you want it to have, and spend half than what you would spend buying commercial liquid soap. This is perfect for a gift as well!