What would be my best option to slim my jaw/chin and make my face less masculine? (photo)

Hello, I am looking to make my jawline less masculine looking and slimmer. I've had consults for chin lipo and skin tightening but was told I wasnt a good candidate. Not sure where to go from here. My bigggest concern is in the front view. My jaw looks very boxy and big and my chin looks too wide too