Hyaluronic Acid Filler
Injectable volume restoration
이 치료에 대해
HA fillers inject cross-linked hyaluronic acid gel to restore age-related volume loss. HA is a natural skin component that holds 1,000× its weight in water.
Brands like Juvéderm and Restylane offer products with varying cross-linking and particle sizes. Reversible with hyaluronidase for safety.
작용 기전
Cross-linked HA gel provides physical volume filling and promotes tissue hydration via high water-binding capacity. HA degradation products also stimulate fibroblast collagen production — a "biostimulation" effect.
적응증
기대 효과
Immediate volume effect. Duration 6-24 months depending on site and product. Regular touch-ups maintain long-term rejuvenation.
임상 근거
위험 및 부작용
Swelling/bruising (1-2 weeks). Rare vascular occlusion causing tissue necrosis, blindness risk (nasal/glabellar arteries communicate with ophthalmic artery). Anatomical knowledge and emergency hyaluronidase protocol essential.