Scarlet SRF is a short-pulse radiofrequency (RF) microneedling device manufactured by VIOL Co., Ltd. of South Korea. It delivers RF energy through an array of 25 non-insulated microneedles, generating independent tissue coagulation around each electrode rather than one broad heated zone. That focused delivery, developed by Dr. JongJu Na and know...

Sylfirm, Sylfirm X, and Sylfirm X Plus are three generations of the same RF microneedling line from VIOL. Sylfirm was the original device. Sylfirm X introduced dual-wave delivery, pairing a pulsed wave for pigment and vascular concerns with a continuous wave for tightening, and holds FDA 510(k) clearance K200185. Sylfirm X Plus is the newer vari...

Yes, Sylfirm X is FDA cleared. It holds a 510(k) clearance under number K200185, granted to manufacturer VIOL Co., Ltd. on April 22, 2020. The clearance is for use in dermatologic and general surgical procedures for electrocoagulation and hemostasis. The important distinction for a clinic is that this is a clearance, not an approval, and that th...