摘要

Objectives: To evaluate the efficacy of direct tissue contraction using 2,910nm Cold Ablation as a primary modality for mid-face skin tightening, comparing it to the bulk heating of Monopolar RF. To understand how the physical removal of tissue leads to structural lifting and improved facial contouring. To demonstrate how the inherent improvements in skin texture and pore size serve as synergistic benefits that enhance the overall tightening outcome. Introduction: Monopolar Radiofrequency (MRF) is the traditional gold standard for skin tightening via bulk heating. However, its indirect mechanism often reaches a clinical plateau in achieving visible structural lift, especially in the mid-face. This presentation introduces 2,910nm Cold Ablation as a definitive alternative. Unlike heat-dependent devices, this modality induces direct physical tissue contraction, offering superior tightening. While prioritizing structural firmness, it uniquely provides a synergistic "skin reset" of texture and pores, surpassing the limits of bulk heating. Materials / method: A clinical evaluation was conducted on 20 Asian patients (aged 23–61) seeking mid-face rejuvenation for concerns including skin laxity, enlarged pores, and uneven texture. Treatments were performed using a 2,910nm high-frequency fiber laser. Energy parameters were meticulously adjusted to prioritize maximal tissue contraction tailored to individual dermal thickness. Clinical outcomes were assessed using the Global Aesthetic Improvement Scale (GAIS) at 3 months post-treatment, with a primary focus on the degree of structural tightening and lifting in the cheek area. Results: Mid-face rejuvenation via structural tightening was significantly achieved, with an average GAIS score of 1.7. Regardless of the initial concern—laxity, pores, or texture—consistent tissue contraction was observed, leading to improved facial contours. Patients seeking pore reduction showed high satisfaction as tightening physically constricted pore openings. Cases demonstrated that this ablative approach provided more integrated lifting than conventional bulk heating. Average downtime was 5.0 days, with no reported PIH or prolonged erythema under optimal parameters. Conclusion: 2,910nm Cold Ablation represents a significant advancement in skin tightening, offering a superior alternative to conventional bulk heating. By prioritizing direct tissue contraction, it achieves structural mid-face lifting that redefines non-surgical rejuvenation. While the procedure requires a precise learning curve to ensure safety in Asian skin, it provides a sophisticated balance between high efficacy and predictable recovery. When mastered, this modality delivers unparalleled results, effectively addressing both structural laxity and superficial skin quality.