{"procedure":{"id":"density","name":"DENSITY 射频紧致","type":"individual","family":"单极射频","category":"单极射频","price":"high","pain":2,"downtime":1,"visible_in":1,"lasts":3,"summary":"双模式射频紧肤","explanation":"Density是一款双模式射频治疗，结合更深层与更浅层加热，让肌肤更紧致、更显坚实。最适合改善早期松弛、细纹、皮肤变薄，以及希望获得高端射频效果且恢复期极短的人群。","target":"初期松弛、细纹、皮肤变薄","description":"Density是一款双模式射频治疗，结合更深层与更浅层加热，让肌肤更紧致、更显坚实。最适合改善早期松弛、细纹、皮肤变薄，以及希望获得高端射频效果且恢复期极短的人群。","detail":{"id":"density","name":"Density","price":{"basis":"Classic 300-600 shots, full face","krw_max":1290000,"krw_min":690000,"varies_by":"shots"},"dosage":{"unit":"shots","options":[{"tag":"Focused","note":"Entry","amount":"Classic 300 shots","coverage":"Full face (light)","description":"Monopolar-only Classic tip.","krw_typical":690000},{"tag":"Recommended","note":"Standard","amount":"Classic 600 shots","coverage":"Full face, multiple passes","description":"Most common partner option.","krw_typical":1290000},{"tag":"Premium","note":"Premium mode","amount":"Alpha 300 shots","coverage":"Full face","description":"Higher-tier tip/mode.","krw_typical":1190000},{"tag":"Intensive","note":"Premium, broad","amount":"Alpha 600 shots","coverage":"Face + neck","description":"Maximum coverage.","krw_typical":1890000}],"unit_explainer":"\"Shots\" are RF pulses. 300 shots covers a face lightly; 600 allows more passes or neck. 'Alpha' is a premium tip/mode priced higher."},"header":{"one_liner":"Combined monopolar and bipolar radiofrequency for facial skin firmness.","target_tags":["Firmness","Jawline","Fine lines","Crepey skin","Pores"],"category_label":"LIFTING","technology_label":"MONO + BIPOLAR 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":"Topical numbing cream","regulatory":"The US FDA 510(k) record describes DENSITY as a 6.78MHz RF electrosurgical device for tissue electrocoagulation and hemostasis.","technology":"Sequential monopolar + bipolar radiofrequency, 6.78MHz","measurement":"Shots","manufacturer":"Jeisys Medical (Korea)","repeat_interval":"6-12 months","technical_specs":"6.78MHz; up to 400 W; 5-level gas (cryogen) cooling; real-time impedance calibration; Classic tip (monopolar) and High tip (mono + bipolar).","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.accessdata.fda.gov/cdrh_docs/pdf23/K230663.pdf","title":"FDA Jeisys DENSITY K230663"}],"quick_facts":{"pain":"Moderate (numbing cream and cryogen cooling)","downtime":"None to minimal","results_last":"About 6-12 months","treatment_time":"30-60 min","results_visible":"Some immediate tightening; builds over 2-3 months"},"alternatives":[{"name":"Thermage (FLX)","catalog_id":"thermage","consider_when":"You prefer the original premium monopolar RF brand."},{"name":"XERF","catalog_id":"xerf","consider_when":"You want dual-frequency RF reaching deeper tissue."},{"name":"Oligio","catalog_id":"oligio","consider_when":"Budget is a priority and laxity is mild."}],"before_after":[],"good_to_know":["Density has US FDA 510(k) clearance as a 6.78MHz RF electrosurgical device for tissue electrocoagulation and hemostasis, which is not the same as approval for all cosmetic lifting uses.","Heat-related risk can vary depending on the treatment area and the tip or model used.","Your treating doctor will decide whether this treatment is suitable for you and which area, tip, and model are appropriate."],"how_it_works":{"steps":[{"body":"Numbing cream is applied and a treatment grid is marked.","title":"Numbing and grid"},{"body":"Each shot fires monopolar RF (deep) then bipolar RF (superficial) back to back.","title":"Sequential RF shot"},{"body":"Five-level cryogen spray cooling protects the epidermis while impedance feedback adjusts energy.","title":"Gas cooling"},{"body":"Collagen contracts immediately and new collagen forms over the following months.","title":"Remodeling"}],"how_delivered":"6.78MHz RF, monopolar and bipolar in one sequential shot, up to 400 W.","illustration_idea":"Two heat zones under one tip: a deep monopolar zone and a shallow bipolar zone.","what_touches_skin":"RF tip (Classic = monopolar, High/Alpha = mono + bipolar) with cryogen cooling; return pad","what_it_feels_like":"Deep heat pulses alternating with a cold spray; warmer over bony areas."}}}}