Tranexamic Acid: effective % & pH 트라넥삼산
⚡ Quick answer: Tranexamic Acid: effective concentration 2–5%, optimal pH 5.0–7.0, evidence Moderate. 2–5% tranexamic acid is the usual effective window for tone; a higher % isn't a proven upgrade, so pairing beats dose-chasing.
How much Tranexamic Acid actually works? Here's the dosage, pH and evidence — the formulator-level read behind the % on a Korean label.
| Effective % | 2–5% |
|---|---|
| Optimal pH | 5.0–7.0 |
| Evidence | Moderate |
| Onset | 8–12 weeks |
What the % on the label really means
2–5% tranexamic acid is the usual effective window for tone; a higher % isn't a proven upgrade, so pairing beats dose-chasing.
⚠️ Ceiling: Above ~5% topically shows little added benefit; often paired with niacinamide rather than pushed higher.
Tranexamic Acid guide →How Tranexamic Acid works →
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Explore the full K-beauty hub →✍️ Written & reviewed by the KoreaPlus Editorial team — dermatologist-informed, cosmetic-science researched & source-cited. Last reviewed 2026-06-21.
General educational information using cosmetic structure-function wording — not medical advice. Always patch-test new actives. © KoreaPlus.