In the hands of the expert: Kim Kardashian paid a visit to famed plastic surgeon Dr. Ashkan Ghavami For Skin Tightening Treatments dr. Ghavami said, “It’s all about skin tightening.” He looked up at the camera as he joked, “She really turns me on.” ‘Yes, that’s right,’ said the television personality, laughing. “I’m obsessed, so what are we going to do? Potenza?’ she asked. dr. Ghavami replied, ‘We’re going to do Potenza, we’re going to do some RF and we’re going to do a secret RF that nobody knows about yet.’