On July 20, 2025, Dr. Sang Ju Lee lectured at the 26th Annual Meeting of the Korean Society for Laser Dermatology held at the Catholic University Songeui Campus in Seoul. The meeting focused on the 'RED FACE' commonly seen in practice, covering treatment strategies for rosacea and facial flushing.

Under the title 'V-beam for a RED FACE,' he presented treatment methods using the V-beam vascular laser and points to note during procedures, sharing the characteristics of the 595 nm wavelength and his clinical experience.

