Without a doubt, there is no solution that can help you to deal with problems related to face build. However, you can try to look for the right hairstyle to deal with the problem you have. One of many problems that most women find annoying is double chin. There are of course lots of options of hairstyle that they can try to wear, but some hairstyles can offer better result to hide double chin problem.
These hairstyles, regardless of the length, be it shirt, long, or medium, can help you to reduce the appearance of round face. Here is an inspiration to tryout.
For those have long hair, you can have more flexibility in styling your hair for hiding the double chin.
In this regard, long hairstyles should follow just the same general tips as those devoted to dealing with mid-length hairstyles. You can use strategic layering right around your cheeks and face in order to help you to hide the double chin.
In addition, whenever possible, you need to avoid creating bangs across your forehead or the center part in long hairstyles since they only serve to box in your face frame and can accentuate the round look.
What you need to do is to choose no bangs or any side-swept bangs to show your forehead and help you to assure a longer look on your face, and off-middle part in order to break up the symmetry your face has, which is the most important thing to deal with on double chin.