23
Participants
Start Date
January 31, 2012
Primary Completion Date
May 31, 2013
Study Completion Date
May 31, 2013
microneedling radiofrequency device
Microneedling radiofrequency device is composed of 49 insulated microneedle which emit radiofrequency from the needle tip. This radiofreqeuncy generates dermal heat which evokes biological effect.
bipolar radiofrequency
bipolar radiofrequency instrument gives out bipolar radiofrequency from the hand piece tip. This bipolar radiofrequency generates dermal heat which has a lot of bilogical effect.
Department of Dermatology, Seoul National University College of Medicine, Seoul
Seoul National University Hospital
OTHER