Medical Director
Dr. Hyo
Dr. Seo Jeong-hyo — known to patients and online followers as Dr. Hyo — is the director of D-DAY Clinic Nampo. His YouTube channel, 닥터효의 뷰티시크릿 (Dr. Hyo's Beauty Secret), shares evidence-based skincare education that helps patients understand the logic behind every treatment.
| Role | Director, D-DAY Clinic Nampo |
| YouTube | 닥터효의 뷰티시크릿 (Dr. Hyo's Beauty Secret) |
| Specialty | Aesthetic dermatology — pico toning, HIFU, Rejuran SVIP |
| Philosophy | Everyday D-DAY — consistent, accessible, genuine care |