Is there any natural way to increase size of area between nose & upper lip?

I'm sorry to hear about what happened to your daughter.  Based on the photos you've provided, because of the misalignment of the vermilion border, it is unlikely that this will heal properly with time.  While an in-person evaluation is recommended, it appears that this scar can be...

The appearance upon smiling of this kind of horizontal, curved crease or dent under the nose, as seen in the photo, is not that uncommon. It results from the particular dynamics of the perioral muscles below the skin when smiling. One method that I have been using for years is to instill a...

Obviously, the quick and easy solution to your problem would be the injection of a hyaluronic acid (such as Restylane, Juvederm, Belotero, etc.) filler into your lip to give it more volume as well as even out the asymmetry.  Also, if you don't like the result, it isn't permanent.  I...