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Licorice Root (Glycyrrhiza): effective % & pH 감초 추출물

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Quick answer: Licorice Root (Glycyrrhiza): effective concentration extract levels vary; dipotassium glycyrrhizate commonly 0.1–0.5%, optimal pH 4.5–7.0, evidence Moderate. Licorice is a supporting brightener and soother — expect it to work alongside niacinamide or arbutin, not instead of them.

How much Licorice Root (Glycyrrhiza) actually works? Here's the dosage, pH and evidence — the formulator-level read behind the % on a Korean label.

Effective %extract levels vary; dipotassium glycyrrhizate commonly 0.1–0.5%
Optimal pH4.5–7.0
EvidenceModerate
Onset4–8 weeks for tone

What the % on the label really means

Licorice is a supporting brightener and soother — expect it to work alongside niacinamide or arbutin, not instead of them.

⚠️ Ceiling: Higher levels of the salt form can affect formula stability rather than adding benefit.

Licorice Root (Glycyrrhiza) guide →How Licorice Root (Glycyrrhiza) works →

Sources: PubMed — Licorice Root (Glycyrrhiza) & skin ↗ · AAD skin-care basics ↗

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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.