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Home skincare guided by clinical evidence — how to read ingredient lists and use popular Korean products safely, without the marketing.

Prescription vs OTC Pigment Cream: Korea

September 16, 2026September 4, 2026 by Dr. Myung Yoo, M.D.

Prescription vs over-the-counter pigmentation cream in Korea: three actives, three jobs. A doctor explains what each does, how to use it, and when not to.

Categories Skincare Tags hydroquinone, post-treatment-care, tretinoin Leave a comment

Reedle Shot vs Clinic Spicule Peeling: Doses

September 16, 2026September 3, 2026 by Dr. Myung Yoo, M.D.
What the numbers on a Reedle Shot bottle actually mean

Reedle Shot vs clinic spicule peeling: the same principle at different doses. 100 vs 300 vs 700 is a schedule, not a ranking – how to use each at home.

Categories Skincare Tags home-care, reedle-shot, spicule Leave a comment

Negative vs Positive Electrode: Vitamin C

September 17, 2026September 1, 2026 by Dr. Myung Yoo, M.D.
How iontophoresis polarity works — vitamin C needs the negative electrode

Negative vs positive electrode: vitamin C is negatively charged, so polarity decides whether anything happens. Which water to use, and what to expect.

Categories Skincare Tags beauty-devices, iontophoresis, vitamin-c Leave a comment

Korean vs Western Sunscreen: Reading the Label

September 17, 2026August 31, 2026 by Dr. Myung Yoo, M.D.
Korean vs Western Sunscreen: Reading the Label

Korean vs Western sunscreen: different UV filters are allowed, which is why the textures differ. What PA++++ means, and which ingredients cast grey.

Categories Skincare Tags korean-sunscreen, spf, sun-stick Leave a comment

Olive Young vs Daiso vs Duty-Free: What to Buy

September 17, 2026August 31, 2026 by Dr. Myung Yoo, M.D.
Olive Young vs Daiso vs Duty-Free: What to Buy

Olive Young vs Daiso vs duty-free in Korea: a practicing doctor on what is worth buying in each, what to skip, and whether beauty devices do anything.

Categories Skincare Tags beauty-devices, korean-skincare, olive-young Leave a comment

Melasma vs Sun Spots: Does Melanon X Suit You

September 16, 2026August 20, 2026 by Dr. Myung Yoo, M.D.
What is actually in Melanon X and what each ingredient does

Melasma vs sun spots: one cream does not suit both. A Korean doctor on what is in Melanon X, which pigmentation it suits, and where a cream stops.

Categories Skincare Tags melanon-x, pigmentation, tranexamic-acid Leave a comment
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Unbiased, evidence-based guides on Korean dermatology and home skincare routines — written and maintained by a practicing medical doctor in South Korea.

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The Author

Dr. Myung Yoo, M.D.
Licensed Medical Doctor in South Korea practicing aesthetic medicine & non-invasive procedures. Sharing transparent, clinical-grade skin insights for global readers.

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