I've heard different takes on the smart, I would make sure to really do research on the doctor.There is a new procedure called Cool LaserLipo, better at tightening than smart lipo. The cool technology tightens up the skin while the laser liquifies the fat for the body to dispose of. It keeps tightening for 6-12 months after so I don't have to wait unitl I am at my goal to have it done. Not to mention there's no hip to hip scar and pain associated with a tummy tuck. I am having this done tomorrow on my tummy and arm pits (yes, my armpits have excess skin) I have been impressed with all the before and after pics, the staff, dr and the patients I've talked to. If I am happy with the results, I will have my back fat done. I'll let you know how it goes!