Does masseter reduction involve removing full thickness of the muscle, or is it possible just to remove the outer layer? (photo)

It would be impossible to give you a meaningful advice based on these photos. A series of full face photos, profiles, 3/4 views is needed to better understand your problem. In person consultation with a board certified plastic surgeon with expertise in facial rejuvenation surgery would help....

Changing the shape of the jawline is called V-Line surgery. The angles of the mandible and the chin are changed in order to create a slimmer facial appearance. Sometimes the changes are performed by shaving and in some cases, the bone is cut away and plates and screws are placed.

I'm writing this response moments after doing a rhinoplasty with jaw reduction for a young woman. These two do effect each other with regards to balance and proportion. We can reduce your nose and jaw at the same time to get closer to the look you seek. Both together take about 2 hours.