Embarrassed about your double chin? Can’t get it with exercise and diet. Fat dissolving injection Lipolysis is the solution for you. In this procedure a concoction of fat busting chemicals is injected to areas of fat deposit. The injection causes permanent destruction of fat cells in the area.Most patients have at least two treatments spaced 4 to 6 weeks apart. Patients can have up to six treatments to the area under the chin. Patients may experience swelling, bruising, pain, redness and feel areas of hardness that typically soften with time. Unless a patient were to gain weight, the results should be long-lasting.