An evaluation of electrocoagulation and thermal diffusion following radiofrequency microneedling using an in vivo porcine skin model.
Shaun WoottenZosia E ZawackiLawrence RheinsCarol MeschterZoe Diana DraelosPublished in: Journal of cosmetic dermatology (2020)
The findings showed that 1 MHz insulated needle produces larger coagulations with an increase in power level, the 1 MHz noninsulated array was comparable to the 2 MHz insulated array with similar histologic features, and heat dissipates seconds after the set conduction time.