Losing weight after abdominoplasty can negate some of the effects of this body sculpting surgery. Losing adipose tissue relaxes the skin envelope in which it is contained leading to excess skin. If the weight loss is modest, less than twenty pounds as a general rule, this effect is not very pronounced. Losing more weight can produce visible skin laxity. It is best to be at a stable target weight prior to undertaking any form of body reshaping. Otherwise the results will be compromised.