Loose skin after jaw surgery - what are my options? (Photo)

Your options are non-surgical or surgical in nature. Non-surgical neck contouring could combine neck fat reduction and skin toning (ie with Ultherapy). The changes will be modest in nature. A necklift is the surgical alternative. The results will be more dramatic and long-lasting and requires a recovery. At 28 you are quite young for surgery; in exceptional circumstances, the desired outcome requires this approach.

You are definitely too young to get a facelift in my opinion.  As far as rhinoplasty is concerned, your photos don't make it obvious one way or another whether a rhinoplasty would be worthwhile in your situation,