Suction lipectomy is one of the most commonly performed cosmetic procedures that is ideally indicated for the treatment of minimal to moderate localized fat deposits. The safety of the procedure has been addressed regarding patient selection, complications and results. Little is known about the impact of liposuction on lipid metabolism during and immediately after the procedure. Ten consecutive patients operated on for moderate volume liposuction (mean 1470 cc, range 500-2800 cc) were included in the present study. Blood samples analysis were obtained preoperatively (T1), 20 minutes after the beginning of the procedure (T2), one hour (T3), and four hours postoperatively (T4). The levels of total cholesterol, HDL cholesterol, LDL cholesterol,triglycerides, lipoprotein lipase, A1 lipoprotein, and B lipoprotein were measured from T1 to T4. All the values were increased at T2 and T3, but remained under upper normal values and nearly complete return to baseline was observed at T4, underlining the safety of the procedure on a metabolic basis.