Fat cells store energy, when we consuming more calories than we need, fat cells increase in size but not in number. Liposuction is a fat removal procedure. It will reduce fatty tissue ( and fat cells) in the area procedure was done in it. By doing this, it reduced number of fat cells in this area. However, if client is still consuming more calories than they need, fat will be stored in different areas. If this trend continues, then fat will start to be stored in area liposuction was done in. So if client maintain weight, then liposuction is permanent.