Diet and exercise don’t always remove unwanted fat. Despite a fitness plan, undesirable areas of “flab” may be located on the thighs or back. People also complain about extra fat in the abdomen area due to age, pregnancies, or genetics. There are two major types of fat removal to consider. These are either “invasive” or “noninvasive” procedures.
Invasive fat removal
Liposuction is an invasive surgical procedure that must be performed by a Plastic Surgeon, Cosmetic Surgeon or a Dermatologist. Each of these physicians must be well-trained and board-certified. During surgery an Anesthesiologist (or Registered Anesthetic Nurse) will administer a form of sleep-inducing medication such as general anesthesia or similar drugs. 
As a prospective patient, you need to ask, “ How does liposuction work?” before choosing this option. Plastic surgeons employ liposuction by using a narrow tube (“cannula”) to suction fatty deposits from beneath the skin; this allows the surgeon to contour areas of the body as if the fat never existed.
Surgeons can contour thighs, upper arms, abdomen, and the back. A smaller cannula can also be used to remove fat from the face and neck. Complete results may not be apparent for weeks or even months.
Noninvasive fat reduction
There are several nonsurgical methods of removing unwanted fat from the body. Because they don’t require anesthesia, recovery times tend to be brief. The most popular of these methods include:
CoolSculpting is best utilized by patients who are at or near their target weight. Using an applicator to externally cool fatty deposits, fat cells are frozen without harming surrounding tissue. As fat cells die off, the body rids itself of them naturally by flushing them out of your system.
TruSculpt is a technique that uses “controlled radio-frequency” to reduce fat cells in larger areas of the body. Several appointments may be necessary, with each session lasting approximately one hour.
Zerona uses cold lasers to target fat; this causes fat to exit cells and then flush itself out of the body. The former fat cell then shrinks, making it unable to expand again. It takes weeks, not months, for you to see complete results.
Invasive vs. Noninvasive?
Requires anesthesia and needs a more extensive recovery period.
Temporary but significant bruising can occur from incisions.
Results are permanent and often require a single surgery.
Do not require anesthesia, allowing patients to resume daily activities rapidly.
Were developed to be applied above the skin without the need for incisions.
Work best for people who have stubborn fat, but are already at their target weight.
The safest way to select your option is by consulting with a physician who regularly performs both styles of fat reduction. Your doctor will be able to counsel you as to how you can contour your body and see optimum results. At that time, you’ll be able to make the decision that can transform your body and fulfill your goals.