Kaolin Clay: effective % & pH 카올린
⏱ 1 min read
⚡ Quick answer: Kaolin Clay: effective concentration 5–30% in wash-off masks, optimal pH 4.0–8.0, evidence Moderate. Once or twice a week at most for oily skin. If your face feels tight afterwards, the mask stayed on too long.
How much Kaolin Clay actually works? Here's the dosage, pH and evidence — the formulator-level read behind the % on a Korean label.
| Effective % | 5–30% in wash-off masks |
|---|---|
| Optimal pH | 4.0–8.0 |
| Evidence | Moderate |
| Onset | immediate (during use) |
What the % on the label really means
Once or twice a week at most for oily skin. If your face feels tight afterwards, the mask stayed on too long.
⚠️ Ceiling: Leaving a clay mask on until it cracks dries the skin, not the oil — take it off while it is still tacky.
Kaolin Clay guide →How Kaolin Clay 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.