Combined Treatment with Micro-Focused Ultrasound with Visualization and Intradermal Incobotulinumtoxin-A for Enlarged Facial Pores: A Retrospective Study in Asians.

Background: Despite the increasing need for the improvement of enlarged facial pores, the treatment remains challenging. A few previous studies have reported the effects of micro-focused ultrasound with visualization (MFU-V) or intradermal incobotulinumtoxin-A (INCO) on enlarged facial pores.

Objective: To evaluate the efficacy and safety of combined treatment with superficial MFU-V and intradermal INCO for enlarged facial pores.

Methods: This single-center retrospective study included 20 patients treated with MFU-V and intradermal INCO to improve enlarged facial pores. Outcomes were evaluated 1, 4, 12, and 24 weeks after a single session of the combined procedure. Pore count and density were objectively quantitated using a three-dimensional scanner, and improvement was assessed using the physician and patient Global Aesthetic Improvement Scale (GAIS).

Results: The mean pore count and density decreased after one week and decreased by up to 62% until 24 weeks. After one week, almost all patients (100% in physician GAIS and 95% in patient GAIS) showed improvement with a grade 3 (much improved) or higher. All adverse events were transient.

Conclusion: Combined treatment with MFU-V and intradermal INCO could be effective and safe for reducing enlarged facial pores; the improvements can be sustained for up to 24 weeks.