Sheryl D. Clark, MD, FAAD says:Dear BGrl:PelleFirm, ThermiSmooth, ThermiTight, Ultherapy, Microneedling with PRP and Sculptra can tighten up the skin of the abdomen and improve skin texture. I have seen the best results with ThermiTight, which is radiofrequency energy delivered by cannula just under the surface of the skin. ...