In recent years, fat transfer for natural breast augmentation has become quite popular. The technique of harvesting fat cells from one area of the body to use elsewhere is not new. Surgeons have been doing this for decades, just not cosmetically. Today, fat transfer for breast augmentation has become common. This technique can increase volume by 1 to 2 cup sizes. There are several benefits of a fat transfer breast augmentation. The common risk is that the desired size will not be achieved due to fat absorption.