Hyaluronic acid
Skin Structure
히알루론산
A moisturising substance naturally present in the skin that can attract water amounting to several hundred times its own weight.
What kind of substance it is
It fills the spaces between the fibres of the dermis and holds water there. It is widely used both as a cosmetic ingredient and as a material for injectable preparations such as fillers and skin boosters.
Good to know
Applied hyaluronic acid mainly serves surface hydration, while injected hyaluronic acid aims at volume or improved hydration. The two differ in the layer they act on and in purpose.
This entry is general medical information provided to aid understanding. It does not guarantee the results of any specific treatment or product, and diagnostic and treatment methods and their outcomes may differ depending on each person's condition. Please confirm the details through a medical consultation.
Graduate of Kyung Hee University School of Medicine (Magna cum laude) · Former director of Plus Hu Clinic, Girin Plastic Surgery, and DA Plastic Surgery · Regular member of the Korean Academy of Filler, Korean Academy of Aesthetic Plastic & Laser Medicine, Korean Academy of Laser, Dermatology and Trichology (KALDAT), Korean Lifting Research Society (KAFC), Korean Association of Obesity Research Physicians, and Korean Society for the Study of Obesity · Thermage User Training Course certified expert
The medical information on this page was written and reviewed by the director of Mason Clinic. Treatment results may vary from person to person. · Last reviewed 2026-08-15