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Gosam (Sophora flavescens) for combination skin

⏱ 1 min read
Quick answer: Does Gosam (Sophora flavescens) suit combination skin? Bitter hanbang root used in blemish-focused Korean formulas. What it does for combination skin, when to use it (BOTH), and how to work it into a Korean routine.

Is Gosam (Sophora flavescens) good for combination skin?

고삼 (gosam) is the bitter root that Korean brands reach for in scalp tonics and blemish toners. Laboratory work on its alkaloids is interesting; controlled evidence on human skin is close to absent. Acne that is not shifting is a dermatologist's problem, not a botanical toner's — see one rather than waiting on a root extract.

Why it suits combination skin

💡 How to use: BOTH · patch-test and introduce gradually.

Full Gosam (Sophora flavescens) guide → · Combination skin guide →

Explore more K-beauty guides → ⏭ Up next🐴 Mayu (Horse Oil) for combination skin
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✍️ Written & reviewed by the KoreaPlus Editorial team — dermatologist-informed, cosmetic-science researched & source-cited. Last reviewed: 2026-08-10.

General educational information using cosmetic structure-function wording — not medical advice. Always patch-test new actives. © KoreaPlus.