Nuruk (Aspergillus) Ferment: effective % & pH 누룩발효물
⏱ 1 min read
⚡ Quick answer: Nuruk (Aspergillus) Ferment: effective concentration not standardised — grain ferment filtrates vary by producer, optimal pH 4.0–6.0, evidence Limited. A heritage ingredient with a genuine Korean story and modest cosmetic action. Enjoy it as both, honestly labelled.
How much Nuruk (Aspergillus) Ferment actually works? Here's the dosage, pH and evidence — the formulator-level read behind the % on a Korean label.
| Effective % | not standardised — grain ferment filtrates vary by producer |
|---|---|
| Optimal pH | 4.0–6.0 |
| Evidence | Limited |
| Onset | 4–8 weeks |
What the % on the label really means
A heritage ingredient with a genuine Korean story and modest cosmetic action. Enjoy it as both, honestly labelled.
⚠️ Ceiling: No agreed effective level exists, and the traditional framing does not translate into a concentration.
Nuruk (Aspergillus) Ferment guide →How Nuruk (Aspergillus) Ferment works →
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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.