이상피부과 - Isang Dermatology Clinic

 While many people in Seoul associate facial redness with the biting Siberian winds and intense indoor heating of winter, Facial Flushing (Facial Erythema) is a complex condition with diverse triggers that span all seasons. Whether it is a reaction to environmental shifts, lifestyle habits, or internal physiological changes, persistent redness is a signal from your vascular system that deserves professional attention. This guide explores the science behind facial flushing and the clinical pathways available for long-term management. 1. The Physiology and Diverse Causes of Facial Flushing Facial flushing occurs when the small blood vessels (capillaries) in the face dilate excessively, increasing blood flow to the surface of the skin. While this is a normal thermoregulatory response, chronic flushing indicates vascular hyper-reactivity . Beyond the Cold: Common Triggers  While temperature shifts are a major factor, several other elements contribute to the onset and worsening of...