How will the fat return after liposuction?

Liposuction re-contours the body by reducing the number of fat cells. This is permanent and your body will not compensate by creating more fat cells if you maintain your weight. If one does gain a significant amount of weight, however, the fat cells that do remain can enlarge and diminish the benefits. Overall contour, however, remains improved. 

Hi! Thanks for your great question. In general, the body does not make or destroy fat cells after growth and development is complete. When we gain or lose weight, existing fat cells shrink and grow accordingly. Liposuction permanently removes many, or even most, of the  fat cells in the treatment area. So, if you gain weight after liposuction, fat cells all over your body will grow, including those remaining in the treatment area. However, since so many fat cells have been removed from the treatment area,  you will gain less weight there. 

Fat will get larger in all areas after eating and weight gain, but just not as much in the areas that had the Lipo...Resist the temptation to ruin your result by over eating...

Liposuction removes fat and fat cells that have the potential to expand with weight gain. Between reduction of number of fat cells and scar tissue that normally develops after surgery, "problem areas" are less problematic after liposuction. Having said that, it is extremely important to watch your diet and exercise after liposuction. Liposuction should only be used for localized "problem areas," not for weight reduction or an easy fix.

Fortunately, once you hit adulthood, you do not gain additional fat cells.  Once fat cells are removed from an area by performing liposuction, those fat cells will not return.  The remaining fat cells will get larger or smaller as you gain or loose weight.  That means that for modest changes in weight, your new shape acheived by liposuction should be largely preserved.