Would a steroid injection help to remove fat transfer injection from the face?

300 cc is an extremely small amount.  I have transferred over 2000 cc per buttock and the percentage that remains is 50 to 75%.   The buttock can be lifted more and rounded with more fat.  The thighs have to be liposuctioned carefully.Find a board certified plastic surgeon...

Orbital fat is generally resistant to normal weight loss, but if you have had a significant amount of weight and are emaciated, orbital fat cells will also shrink. In this instant, weight gain will cause the cells to rebound and your orbital fat should recover to pre-weight loss levels.

Depends.I typically recommend waiting 7 to 10 days after fat transfer to fly, by this time a significant amount of the swelling has subsided.  Your flight and travel seems to be very long so I would check with your surgeon for his or her approval.Blood clots are always a risk during long...

Smoking constricts the existing blood vessel leading to less blood flow. This does not provide the best environment for transferred fat to survive. Earl Stephenson Jr, MD, DDS, DACS 

Your desires can be safely accomplished with fat grafting to your hips. Cost is dependent on operating room time and surgery complexity. Visit with a few plastic surgeons to educate yourself and find a staff your comfortable with.good luck

Fat Grafting can be an unpredictable procedure at times.   To ensure the highest amount of fat take, care must be taken in the preparation and transfer of the fat. At two months postop, the amount of fat that is retained is likely to be a final result. I would discuss with your plastic...