Subdermal Radiofrequency for Skin Tightening of the Posterior Upper Arms.

BACKGROUNDSubsurface thermistor-controlled monopolar radiofrequency (SMRF) is an emerging technology designed to offer a minimally invasive option for tightening of lax skin. The versatility of this technique allows it to be applied to virtually any body site.OBJECTIVEThe purpose of this study is to