Visit of Dr. Olaf Young Fleischer, Medical Director of Young Aesthetics Clinic(Germany), to Dong-An Joongsim ClinicOn December 16, 2025, Dr. Olaf Young Fleischer, Medical Director of Young Aesthetics Clinic in Hannover, Germany, and a highly experienced clinician in the field of European aesthetic medicine, visited Dong-An Joongsim Clinic in Korea. This visit centered on the PCL collagen stimulator “GOURI”, bringing together aesthetic medicine experts from Korea and Germany for an in-depth medical exchange. The discussions focused on real-world clinical outcomes, treatment approaches, safety considerations, and long-term skin remodeling strategies based on collagen stimulation. During the session, the medical directors of Dong-An Joongsim Clinic shared their treatment protocols derived from Korean patient data and clinical observations on collagen regeneration mechanisms. Dr. Olaf Young Fleischer, in turn, provided his expert insights into clinical experience with GOURI in Europe, as well as global trends and future directions of PCL-based collagen stimulators. GOURI is a fully liquid PCL collagen stimulator developed using the globally patented CESABP® Technology. Rather than focusing on immediate post-treatment volume, GOURI emphasizes progressive and natural collagen regeneration over time as its core value. This exchange was more than a simple international visit; it was a meaningful opportunity to share international clinical standards, re-evaluate the fundamentals and safety of aesthetic procedures, and advance patient-centered outcomes through collaborative medical dialogue. Dong-An Joongsim Clinic will continue to strengthen its global network in aesthetic medicine, striving to deliver more refined treatment standards and deeper, patient-focused medical care through ongoing international collaboration.

2025 Alma Night Neo ProjectDr. Chang-hwan Cho, Dr. So-youn Koo, and Dr. Jin-hyung Lee of Dong-An Joongsim Clinic in AttendanceOn Saturday, December 6, 2025, the “2025 Alma Night Neo Project,” hosted by the global aesthetic brand Alma, was successfully held at Seoul Dragon City Hotel. Dr. Chang-hwan Cho, Dr. So-youn Koo, and Dr. Jin-hyung Lee of Dong-An Joongsim Clinic attended the event together, taking part in a meaningful opportunity to experience Alma’s new vision and advanced technologies firsthand. The event featured an in-depth program including introductions to Alma’s core technology lineup, presentations on global clinical trends, interactive live sessions, and panel discussions with international medical opinion leaders, offering a comprehensive outlook on the future direction of the aesthetic and laser industry. In particular, Alma shared its new approach to the latest Neo platform technology, drawing significant attention from attendees. Throughout the event, the doctors actively engaged with experts from Korea and abroad, gaining valuable insights into emerging aesthetic strategies and treatment trends that Dong-An Joongsim Clinic is preparing for 2026. The evening concluded with an elegant celebration, making the event a truly special night that once again highlighted Alma’s innovative vision and its strong global medical community.

Dr. Chang-hwan Cho of Dong-An Joongsim Clinic Participates as an Invited Speaker at the ICAP International Aesthetic Medicine Congress in IndonesiaOn November 15(Saturday)–16(Sunday), 2025, the 3rd ICAP – Korea-Indonesia Aesthetic Medicine Congress was held in Jakarta, Indonesia. Dr. Chang-hwan Cho, Medical Director of Dong-An Joongsim Clinic, was invited to participate as a guest speaker at this prestigious international congress. Dr. Cho delivered a lecture entitled “The Collagen Stimulators Revolution: Benefits, Risks, and Key Considerations.” In his presentation, Dr. Cho provided in-depth and practical insights into collagen stimulators, covering their scientific mechanisms, clinical indications, expected outcomes, risk management, and key considerations in real-world practice. His lecture was highly informative and well received, drawing significant interest and positive feedback from medical professionals from Indonesia, Korea, and other countries. Dong-An Joongsim Clinic remains committed to sharing the excellence of Korean aesthetic medicine with the global medical community and will continue to actively participate in international academic conferences to help establish safer and more effective standards in anti-aging treatments worldwide.

On Tuesday, November 4th,Dr. So-youn Koo, Dr. Chang-hwan Cho, and Dr. Jin-hyung Lee from Dong-An Joongsim Clinic attended the GOURI ProLab Seminar held at the Private Chamber of Josun Palace, Seoul Gangnam. This seminar focused on “GOURI,” a next-generation collagen rejuvenation solution utilizing liquid-type PCL (Polycaprolactone), and explored its clinical applications and emerging trends. During the session, experts shared technical insights into GOURI’s unique ability to naturally regenerate the skin’s collagen network, as well as clinical data and real-world cases demonstrating improvements in facial elasticity and skin texture recovery. The medical team from Dong-An Joongsim Clinic engaged in in-depth discussions on the latest anti-aging innovations and the potential of liquid PCL, emphasizing the future direction of rejuvenation treatments centered on skin regeneration.

Dr. Chang-hwan Cho and Dr. Jin-hyung Lee of Dong-An Joongsim Clinic Attend Merz Aesthetics Korea “Safety Management Road Show” SymposiumOn September 23,Merz Aesthetics Korea held the “Safety Management Road Show” symposium at the Josun Palace Hotel in Seoul, where Dr. Chang-hwan Cho, Medical Director, and Dr. Jin-hyung Lee of Dong-An Joongsim Clinic participated. The symposium served as an academic forum to share the latest perspectives on ensuring the safety and clinical application of injectable treatments. Topics included product selection criteria, strategies for preventing and managing possible complications during procedures, and evidence-based clinical practices.Dr. Cho and Dr. Lee engaged in scholarly exchange with both domestic and international experts, gaining meaningful insights to implement advanced, data-driven safety and treatment guidelines within their clinical practice, reinforcing Dong-An Joongsim Clinic’s commitment to safe and trusted aesthetic medicine.

Dr. So-youn Koo of Dong-An Joongsim Clinic Attends Merz Aesthetics Korea “AURA PRIME HERitage Seminar”On September 22,Dr. So-youn Koo of Dong-An Joongsim Clinic attended the first official event of the “AURA PRIME” medical education program — the “HERitage Seminar” — hosted by Merz Aesthetics Korea at the Raum Art Center in Seoul. This seminar, designed for female medical professionals, focused on clinical experience and insights, offering a fresh perspective on the technological strengths and treatment philosophy behind Ultherapy PRIME, a next-generation ultrasound lifting device. Through a series of relay lectures based on real patient cases, participants shared refined and safe strategies for personalized lifting treatments and clinical know-how. Over 100 female physicians took part in lively discussions during the event. Dr. Koo gained valuable insights into the latest ultrasound lifting technology and clinical approaches, which she plans to apply in her practice to further enhance the quality of personalized lifting solutions at Dong-An Joongsim Clinic.

ASLS Seoul 2025 – The Korean Society for Aesthetic and Laser Medicine (ASLS)Aesthetic Medical Device Expo & Autumn ConferenceLecture by Dr. So-youn Koo, Dong-An Joongsim ClinicOn Sunday, October 12, 2025, the Aesthetic and Laser Society of Korea (ASLS) held its “ASLS Seoul 2025: Where Innovation Meets Inspiration” Autumn Conference at COEX Convention Center, drawing strong participation and enthusiasm from aesthetic physicians and researchers worldwide.The conference served as a platform for in-depth discussion of cutting-edge aesthetic technologies and next-generation anti-aging treatments, marking another milestone in the advancement of Korea’s aesthetic medicine industry.Dr. So-youn Koo of Dong-An Joongsim Clinic, recognized as a leading expert in muscle-based lifting and anti-aging therapy, delivered a highly acclaimed presentation demonstrating her advanced clinical experience and innovative therapeutic approach. Her lecture highlighted the paradigm shift toward next-generation anti-aging through muscle lifting, reaffirming Dong-An Joongsim Clinic’s position as a premier institution in high-end lifting treatments.Lecture Topic by Dr. So-youn KooMidface Repositioning through HIFES + RF: Mechanism & Clinical Application for 1000+ Cases

ASLS Seoul 2025 – The Korean Society for Aesthetic and Laser Medicine (ASLS)Aesthetic Medical Device Expo & Autumn ConferenceLecture by Dr. Chang-hwan Cho, Dong-An Joongsim ClinicOn Sunday, October 12, 2025, the Aesthetic and Laser Society of Korea (ASLS) successfully hosted the “ASLS Seoul 2025: Where Innovation Meets Inspiration” Aesthetic Medical Device Expo & Autumn Conference at COEX Convention Center in Seoul.This meaningful event brought together leading experts and medical professionals from both Korea and abroad to share the latest innovations and trends in aesthetic medicine and medical technology, fostering vibrant academic exchange and collaboration.Dr. Chang-hwan Cho of Dong-An Joongsim Clinic, a distinguished pioneer in Korea’s anti-aging field, presented an outstanding lecture that showcased his deep expertise and clinical insight. His presentation drew significant attention and praise from attending physicians, reaffirming Dong-An Joongsim Clinic’s reputation as a leader and benchmark in Korean anti-aging medicine.Lecture Topics by Dr. Chang-hwan Cho 1. Improving facial lymphatic circulation using a Unipolar RF device and Ultra-Speed Genesis 2. The safety of EVE Monopolar RF treatment on the eyelids after LASIK or presbyopia surgery 3. From biostimulation to skin quality enhancement: Clinical protocols and guidelines for skin boosters 4. Achieving precise delivery of skin boosters to desired depths in the dermis or scalp 5. Post-treatment management after scar laser, RePOT (rejuvenation laser), pigment laser, or injection procedures