How can I widen my neck?

It is hard to give you a precise answer without any photos. However, to answer your question fat is generally placed in multiple layers from the bone to under the skin. It can be placed in the muscle or subcutaneous layer or SMAS layer. Sometimes all of the layers. I am not sure why you were...

Fat transfer to the face can improve the sunken look. Fat can be taken from the abdomen or flanks and injected into the areas of deficiency. In this case it is below your eyes and probably some the buccal space. Perhaps even the temple and around the upper eye, too. Be sure to see an...

Well with gravity everything drops eventually. However, you always be ahead of the curve if you transfer fat into the cheeks. You cannot stop gravity. But you can stop looking old. Somewhat.