take a look. >> weir in the esteemed patricia wexler's dermatological.ures and she's like earth mother to everybody. a lot of women worry about their face and they put a lot of creams on their face, but they neglect their neck and all of a sudden your face does not look age appropriate to your neck, you know? so she told me about this -- something called ultherapy. >> i have no idea what it is, but i trust her. she can tell you what it is. >> ultherapy is focused ultrasound and it's heat energy. >> it's supposed to be painful and so i'm doped up right now just a tad. >> she's ready. she's relaxed and she's wearing the gown and she's excited. >> i am not. i'm scared to death. [ laughter ] ♪ ♪ ♪ >> you're doing really well. >> it's want blenot pleasant. >> nobody said it was fun. >> enjoy it. are you are you a dominatrix? >> she's doing really well, and i can't wait to see the results. >> yeah. it took about 45 minutes and dr. wexler is here to tell us more about ultherapy and how it works and why it works. >> yeah. >> ultherapy is focused ultrasound and u