This younger  person wanted fat in the midface and forehead, not necessarily to look younger, but to look "cuter".
Even when
This patient has a recessed midface with flattening of her cheeks
This is after fat transfer to the forehead and face.  Note the youthful fullness, and more projection of the face
Before fat transfer
after fat transfer
before fat transfer
after fat transfer
Aging face, loss of fat and volume.
After fat transfer to forehead and face.  Note full round cheeks and more frontal projection of face.
before fat transfer
After full face fat transfer.  A full forehead looks cute and youthful
Before fat transfer
After fat transfer to the face.  Fuller round features look youthful and cute.
before fat transfer
after full face fat transfer, and to the chin.
Excessive hollowness of the upper eyelid from previous surgery elsewhere many years ago.  A bad upper blepharopasty makes you look worse.  This would be risky to try and re do surgically.
Rather than surgery again, fat transplantation was performed to the upper eyelid
Fat and volume loss from aging.
One session of fat transfer to the face, four months post op
this patient has signs of midface recession, flattening of the cheeks
After full face fat transfer
This patient wanted full face fat transfer.  She's not old, but she wants a "baby face" kind of look.
After full face fat transfer
Before
After full face fat transfer


FAT TRANSFER TO THE FACE
click on photo to enlarge