Doug Brunk December 21, 2022 SAN DIEGO – Proper patient selection and setting realistic expectations are the keys to enhancing results with fractional radiofrequency (RF) microneedling devices, according to Catherine M. DiGiorgio, MD. Dr Catherine DiGiorgio Most core fractional RF microneedling indications – acne scars, rhytides, skin tightening – require multiple treatments, DiGiorgio, a laser and cosmetic dermatologist who practices in Boston, said at...