Trehalose: effective % & pH 트레할로스
⏱ 1 min read
⚡ Quick answer: Trehalose: effective concentration 0.5–5%, optimal pH 4.0–7.0, evidence Moderate. A gentle secondary humectant — good news in a formula, never the headline act.
How much Trehalose actually works? Here's the dosage, pH and evidence — the formulator-level read behind the % on a Korean label.
| Effective % | 0.5–5% |
|---|---|
| Optimal pH | 4.0–7.0 |
| Evidence | Moderate |
| Onset | immediate (feel) |
What the % on the label really means
A gentle secondary humectant — good news in a formula, never the headline act.
⚠️ Ceiling: Beyond about 5% you gain stickiness rather than hydration.
Trehalose guide →How Trehalose 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.