What liposuction actually does, and does not

Liposuction is one of the most common cosmetic surgeries, and clearing up what it does is the foundation for a good outcome, because the most frequent disappointment comes from misunderstanding its purpose.

Liposuction permanently removes fat cells from specific areas through small incisions and a cannula, sculpting and refining the body's contour. It excels at stubborn pockets of fat that resist diet and exercise, the flanks, abdomen, thighs, back, arms, and under the chin, in people who are already near a healthy, stable weight. It is fundamentally a contouring procedure, reshaping problem areas to improve proportion.

What it is not is a weight-loss method. The amount of fat removed is modest in terms of pounds, and the scale barely moves; liposuction changes shape, not weight. It is also not a treatment for loose skin, if anything, removing fat from beneath lax skin can reveal sagging that may need separate treatment. The best candidates are at a stable weight with good skin elasticity and realistic expectations. Patients who understand liposuction as precise contouring of stubborn fat on an otherwise healthy frame are consistently satisfied; those expecting it to substitute for weight loss are not. Matching expectations to what the procedure actually delivers is the single most important step.

Related reading: How much does liposuction cost, and what the price actually buys.