Skin Health Column
The background of common skin concerns and how treatments work, written and reviewed by the director of Mason Clinic.
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- Mason ColumnAcne & Pores
Why acne keeps coming back, starting with the causes
Acne that returns just when it seemed under control. Behind that pattern there is usually not one cause but several overlapping factors.
2026.08.15Read more › - Mason ColumnPigmentation & Redness
Melasma, freckles and sun spots: the same brown, for different reasons
The brown patches in the mirror may look alike, but each has its own character. Here is why telling them apart is the starting point of care.
2026.08.15Read more › - Mason ColumnAcne & Pores
Three reasons pores look enlarged
Pores are not doors that open and close. Once the reasons they look wider are separated out, the direction of care changes too.
2026.08.15Read more › - Mason ColumnAging & Elasticity
Where skin firmness gives way
The phrase loss of firmness contains several different changes. Separating the layers makes it clear what needs to be addressed.
2026.08.15Read more › - Mason ColumnUnderstanding Treatments
Ultrasound and radiofrequency: how the lifting principles differ
Both are explained as stimulating collagen with heat, but the way the heat is created and the range over which it spreads are different.
2026.08.15Read more › - Mason ColumnUnderstanding Treatments
What is grouped under the name skin booster
Skin booster is not the name of one product; it is closer to a term that groups together several injectable preparations with a similar purpose.
2026.08.15Read more › - Mason ColumnUnderstanding Treatments
Toxin and filler: two injections with different roles
Both are given by injection, but one reduces movement and the other fills volume. When the purpose differs, the wrinkles they suit differ too.
2026.08.15Read more › - Mason ColumnHair Loss & Scalp
What to check when hair starts falling out
There is a normal range for how much hair falls out in a day. The issue is often not the amount but the direction of change.
2026.08.15Read more ›
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