With most such holsters, the biggest benefit is that they sit quite snugly between the pant or skirt and the undergarment that you are wearing. This also means that you will always have a sense of your gun being on your body. This is extremely important for people who have just started carrying guns, because many a times, they are not at all aware of whether their gun is still there. With concealed carry holsters, this worry can be eliminated, because your gun will always be sitting tightly.
In case you are someone who has to keep their gun hidden away at all times, but still need easy access to it at any given time, then concealed holsters are most certainly the ideal choice, because not only do they help keep the gun away from plain sight, but also easily accessible. What is most interesting is that these days, you can get such holsters in a range of designs, colours and materials. This means that the chances of you finding a holster that matches your exact requirements are much greater. However, before making the purchase, do make sure that your gun fits the holster perfectly.