{"procedure":{"id":"xerf","name":"XERF","type":"individual","family":"Monopolar Radiofrequency","category":"Monopolar Radiofrequency","price":"high","pain":2,"downtime":2,"visible_in":1,"lasts":4,"summary":"Dual-frequency RF skin tightening","explanation":"XERF is a premium Korean monopolar RF treatment for collagen-led firming and smoother facial contours. Best suited for mild-to-moderate laxity, fine lines, pores, and users who want RF tightening without needles.","target":"mild-to-moderate laxity, fine lines, pores","description":"XERF is a premium Korean monopolar RF treatment for collagen-led firming and smoother facial contours. Best suited for mild-to-moderate laxity, fine lines, pores, and users who want RF tightening without needles.","detail":{"id":"xerf","name":"XERF","price":{"basis":"300-600 shots, full face","krw_max":1590000,"krw_min":790000,"varies_by":"shots"},"dosage":{"unit":"shots","options":[{"tag":"Focused","note":"Entry","amount":"300 shots","coverage":"Full face (light)","description":"First-time or maintenance.","krw_typical":890000},{"tag":"Recommended","note":"Standard","amount":"600 shots","coverage":"Full face + jawline / neck","description":"Most common for visible tightening.","krw_typical":1590000}],"unit_explainer":"\"Shots\" are RF pulses. 300 shots is a lighter full face; 600 covers the face more densely or adds the neck."},"header":{"one_liner":"Monopolar radiofrequency treatment for selected skin-firmness concerns.","target_tags":["Jawline","Firmness","Neck","Fine lines","Pores"],"category_label":"LIFTING","technology_label":"DUAL-FREQUENCY RF"},"details":{"sessions":"Usually single session","aftercare":"Often little immediate downtime, with possible heat, redness, swelling or tenderness. Avoid heat/friction and vigorous activity for the interval given by the treating clinician.","anesthesia":"Usually none; topical optional","regulatory":"According to Cynosure Lutronic technical information, XERF uses 6.78MHz and 2MHz monopolar RF with integrated cooling, and its stated US regulatory intended use is electrocoagulation/hemostasis.","technology":"Multi-frequency monopolar RF (6.78MHz + 2MHz) with WaveFit Pulse and surface cooling","measurement":"Shots","manufacturer":"Cynosure Lutronic (developed by Lutronic, Korea)","repeat_interval":"About 12 months","technical_specs":"Dual frequency 6.78 MHz + 2 MHz monopolar RF; 3 depth settings and 10 intensity levels; cryogen delivery cooling; Accurate Impedance Feedback (Cynosure). Max RF output 150 W at 2MHz and 140 W at 6.78MHz (200 Ω); 10.1-inch display (distributor spec sheet).","before_treatment":"Remove metal jewelry; tell the doctor about pacemakers, metal implants, recent fillers/threads, or pregnancy. Arrive with clean skin (no makeup) for marking.","safety_suitability":"Not for people with pacemakers/implanted electronic devices, pregnancy, active skin infection, or metal implants in the treatment area. Recent fillers or threads may need spacing out (clinic-specific). Best for mild-to-moderate laxity; heavy sagging may need surgery or thread lifting."},"recovery":{"flying":"Usually possible","makeup":"Same day / next day","alcohol":"Best avoided for 1-2 days (can increase swelling/redness)","exercise":"Usually next day","sauna_heat":"Avoid sauna, hot baths and intense heat for about 3-7 days","back_to_daily":"Immediately","common_side_effects":["Temporary redness","Mild swelling","Tenderness","Rarely small blisters or burns"]},"references":[{"url":"https://www.cynosure.com/xerf/","title":"Cynosure Lutronic XERF technical information"}],"quick_facts":{"pain":"Mild to moderate (cooling; often no numbing)","downtime":"None to minimal","results_last":"About 12 months (estimated)","treatment_time":"30-60 min","results_visible":"Some immediate firming; builds over 2-3 months"},"alternatives":[{"name":"Thermage (FLX)","catalog_id":"thermage","consider_when":"You prefer the long-established premium RF."},{"name":"Density","catalog_id":"density","consider_when":"You want mono + bipolar RF for surface plus deep tightening."},{"name":"Ultherapy","catalog_id":"ultherapy","consider_when":"You need focused SMAS lifting for jowls."}],"before_after":[],"good_to_know":["Results can vary depending on the XERF model, tip, and shot settings, and long-term effect estimates are not guaranteed for every setup.","XERF uses heat, so there is a risk of heat-related skin injury depending on the treatment area and settings.","The product’s official cleared use may differ from how some clinics use it cosmetically, and the treating doctor should decide whether it is suitable for your treatment area."],"how_it_works":{"steps":[{"body":"The device's real-time skin analysis guides depth and intensity settings.","title":"Skin analysis"},{"body":"Each pulse combines 6.78MHz (dermis) and 2MHz (deeper fat/SMAS area) energy.","title":"Dual-frequency shot"},{"body":"Energy is split into multiple pulses while surface cooling protects the skin.","title":"WaveFit pulsing + cooling"},{"body":"Collagen and elastin remodel over the following weeks.","title":"Structural tightening"}],"how_delivered":"Monopolar RF at two frequencies (6.78MHz + 2MHz) in a single shot.","illustration_idea":"Two heat layers from one tip: shallow 6.78MHz in the dermis and deep 2MHz toward subcutaneous tissue/SMAS.","what_touches_skin":"RF handpiece tip with integrated cooling; return pad","what_it_feels_like":"A spreading deep warmth with each pass; no needles, and numbing is usually not required."}}}}