Smart Lipo for Facial Skin Tightening?

I am a 56 years old, non-smoker, non-drinker, with active lifestyle, and under no medication. The texture of my skin is good, as I've been told by a dermatologist and facial plastic surgeon. I did have a mid-facelift 10 years ago, S-Lift 4 years ago, and Bio-alcamid 2 years ago for volume in cheeks. I have moderate lower face laxiity. I thought Fraxel Repair would be best, but the the facial surgeon (board-certified) thought it would be a waste of money, and Smart Lipo would deliver the tightening. Your comments on Smart Lipo as an alternative are appreciated.