Jihwang (Rehmannia Root): K-beauty ingredient guide 지황
⏱ 1 min read
⚡ Quick answer: 지황 (jihwang) is rehmannia, the moistening herb in traditional Korean tonic formulas and a regular on luxury hanbang labels. Its sugar-rich extract behaves as a humectant, which lines up neatly with the traditional framing. Beyond that surface hydration, the claims about deep nourishment are heritage language rather than demonstrated action.
지황 (jihwang) is rehmannia, the moistening herb in traditional Korean tonic formulas and a regular on luxury hanbang labels. Its sugar-rich extract behaves as a humectant, which lines up neatly with the traditional framing. Beyond that surface hydration, the claims about deep nourishment are heritage language rather than demonstrated action.
What Jihwang (Rehmannia Root) does for your skin
- Hanbang root traditionally used for the look of nourished skin
- Contributes polysaccharides that hold water at the surface
Best for
🌌 Jihwang (Rehmannia Root) compatibility map
Tap any ingredient to open its guide. ━ pairs well · ┈ use with care.
🤰 Pregnancy: Generally considered fine — confirm with your doctor. · ⏰ Use: BOTH
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✍️ Written & reviewed by the KoreaPlus Editorial team — dermatologist-informed, cosmetic-science researched & source-cited. Last reviewed: 2026-08-23.
General educational information using cosmetic structure-function wording — not medical advice. Always patch-test new actives. © KoreaPlus.