On Saturday, May 20, 2023, EI:EN_DEKA's ONDA and RED TOUCH's "User meeting" hosted by Quanta System Korea Co., Ltd. was held at the Chrysanthemum Room on the 2nd floor of Grand InterContinental Seoul Parnas. Dong-An Joongsim Clinic's Dr. Chang-hwan Cho and Dr. So-yeon Koo participated in the user meeting and had time to share their opinions on professional know-how as ONDA users.

2023 Korean Aesthetic Surgery & Laser Society Spring Conference Lecture by Dr. Chang-Hwan Cho, of Dong-An Joongsim ClinicOn Sunday, February 26, 2023, the Korean Aesthetic Surgery & Laser Society Spring Conference was held at Yangjae aT Center Exhibition Halls 1 and 2, World Room, and Creation Room. At this Korean Aesthetic Surgery & Laser Society Spring Conference, Dr. Chang-Hwan Cho of Dong-An Joongsim Clinic fully demonstrated his skills as a leading expert in the domestic anti-aging field, and received a lot of positive responses and responses from medical professionals at home and abroad who participated in the conference.1. Complaint-free Scar Treatment with a Detailed Needless Injector A Comparative Review2. (Video) SKIN LAYER - Patent Substance G4PRF-300: Evidence Based Skin Regeneration and Wound Healing3. Dual Toning Genesis Technique Variation- New Movement in Skin Aging and Freckle Treatment 40.684. (Lips, etc.) About Sub Zero Stress Filler Injection- Safe Filler for Mass Filler and Repeated Filler5. A Completely Different Category of Lifting is Coming.- 2.4GHz Microwave, Strong, Deep, and Long-lasting Collagen Remodeling6. Elasticity lifting, scar regeneration, pigmentation (Know-how of the masters revealed through clinical case photos)- Ultrapulse laser and photorejuvenation based on global scar treatment consensus- About the original collagen production equipment, monopolar radiofrequency equipment and fractional photothermocoagulation equipment- About the scar treatment, elasticity, and lifting effects of Dr. Anderson's selective photothermocoagulation equipment- How far have you used the 755 810 1064 long pulse laser, 40.68MHz?7. Treatment of melanin lesions without worrying about pigmentation and side effects- 785 picosecond laser ideal for pigmentation treatment8. High frequency for facial volume augmentation, caveolin and pigmentation cell aging- Correlation between caveolae/caveolin-1 and melanogenesis, cellular senescence

2023 Korean Aesthetic Surgery & Laser Society Spring Conference Lecture by Dr. So-yeon Koo of Dong-An Joongsim ClinicOn Sunday, February 26, 2023, the Korean Aesthetic Surgery & Laser Society Spring Conference was held at Yangjae aT Center Exhibition Halls 1 and 2, World Room, and Creation Room. At this conference, Dr. So-yeon Koo showed her face as a leading expert in domestic obesity treatment and obesity surgery, and received a lot of positive responses from the medical staff who participated in the conference.[ 2023 Korean Aesthetic Surgery & Laser Society Spring Conference Lecture by Dr.  So-yeon Koo ]1. Summary of Mini and Petite Cryolipolysis- Double Chin Cryolipolysis- Special areas such as floating breasts, arms, knees, and calves2. The only body shaping device that reduces visceral fat with simultaneous HIFEM and RF irradiation- About Musclesculpt, which will be popular among the MZ generation

Dr. Llja Kruglikov, CEO of Wellcomet in Germany and professor at Karlsruhe University in Germany, visited Dong-An Joongsim Clinic. Dr. Llja Kruglikov exchanged information on clinical exchanges and treatment programs with Dr. Chang-hwan Cho regarding Wellcomet’s treatment equipment, and expressed his hope for continued and active exchanges in the future.

On Saturday, November 26, 2022,the CoolSculpting User Summit 2022 “Take ADVANTAGE” hosted by Korea Elegan Aesthetics was held at the Hanra Room (1+2) in Dragon City Seoul. Dr. Chang-hwan Cho and Dr. So-yeon Koo of Dong-An Joongsim Clinic attended the event and had time to share their opinions on professional know-how as Celtic users.

2022 Korean Aesthetic Surgery & Laser Society Gwangju Academic Conference Lecture by Dr. Chang-hwan ChoOn Sunday, November 20, 2022, the 2022 Korean Aesthetic Surgery & Laser Society Gwangju Academic Conference was held in the small conference room on the 2nd floor of the Kim Dae-jung Convention Center. At this Korean Aesthetic Surgery & Laser Society Gwangju Academic Conference, Dr. Chang-hwan Cho of Dong-An Joongsim Clinic gave a lecture on ‘Lifting Equipment with New Wavelengths and Frequency’ and ‘Sub Zero Stress Filler Injection’. Dr. Chang-hwan Cho showed his side as a leading expert in domestic anti-aging procedures and drew a lot of positive responses from the medical staff who participated in the conference.[2022 Korean Aesthetic Surgery & Laser Society Gwangju Academic Conference Lecture by Dr. Chang-hwan Cho]1 New Wavelength and Frequency Lifting Equipment- 675nm Non-ablative Rejuvenation, 2.45 GHz Microwave for Deeper Tissue2 About Sub Zero Stress Filler Injection- Conditions for Safe Filler Treatment- Safe Filler for Mass Filler and Repeated Filler

2022 Korean Aesthetic Surgery & Laser Society Ho Chi Minh International ConferenceOn Sunday, October 9, 2022, the Korean Aesthetic Surgery & Laser Society Ho Chi Minh International Conference was held at the GEM Center in Ho Chi Minh, Vietnam. Dr. Chang-hwan Cho of Dong-An Joongsim Clinic participated in this Ho Chi Minh International Conference and showed his side as a leading expert in domestic anti-aging treatment, drawing much interest and response from domestic and foreign medical staff who participated in the conference.

On Sunday, September 18, 2022, the 2022 Korean Aesthetic Surgery & Laser Society Aesthetic Medical Device Expo and Fall Academic Conference was held at the Yangjae aT Center Exhibition Halls 1 and 2. At this Korean Aesthetic Surgery & Laser Society Aesthetic Medical Device Expo and Fall Academic Conference, Dr. So-yeon Koo of Dong-an Joonshim Clinic gave a lecture on ‘New Body Shape Correction, the Era of HIFEM’. At this academic conference, Dr. So-yeon Koo showed her side as a leading expert in domestic obesity treatment and obesity surgery.[2022 Korean Aesthetic Surgery & Laser Society Aesthetic Medical Device Expo and Fall Conference Lecture by Dr. So-yeon Koo]New Body Correction, the Era of HIFEM- Arms, Abdomen, Hips, Thighs, Calves