Will Weight Gain Fill out "Thin Skin" or Visible Ribs?

Unfortunately you cannot spot reduce or gain fat. That is through diet and exercise alone you cannot lose fat in one area while maintaining it in all other areas. In gaining weight your body will store fat in areas specific to age, race, sex etc. you cannot make it go to one area in preference to another unless your body is already programmed to do so. If you want more fat in one area to the exclusion of other areas of the body the most reliable way to do is via free fat grafting. I... more

Two quick and effective treatments that you may way to try are 1) Sculptra injections and 2) Fat Transfer. The Sculptra injections are off-label, but can be quite effective. Fat Transfer involves harvesting fat from somewhere else on your body and then injecting it under the skin where you want more thickness. Good Luck.