Sebum
Acne & Pores
피지
The oily substance produced in the sebaceous glands and released onto the skin surface, which prevents water evaporation and protects the surface.
What kind of substance it is
It is secreted from the sebaceous glands attached to the hair follicle, and the amount is influenced by hormones, genetics, season and stress.
Good to know
Sebum is not in itself a bad thing; it is a necessary component. Rather than stripping it away unconditionally with excessive cleansing, looking at the balance between the amount secreted and the condition of dead cells can help.
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