Asymmetry, flared nostrils, drooping tip, and flat wide nose when smiling. Will alarplasty help? (Photos)

The areas that are circled in the photos represent the posterior portion of your lower lateral tip cartilages. If this area is widening with smiling, it is possible to narrow this area with rhinoplasty surgery. I'm not sure if this answers your question, so consider meeting with several...

Looking at your photos seems to give the faint suggest of a subnasal scar, as one would have from a liplift procedure. If this is the case, that would explain any difference because of the amount of skin lifted into the nasal base. In any event, the difference between the two sides can be corrected.

Usually excising just the alar base or floor will just bring the nostrils in towards the midline. However, if you excise some of the alar wall as it approaches its attachment to the floor, you actually change the axis of the nostril from up & out to more anterior-posterior. This has the cosmetic...