Propanediol: effective % & pH 프로판다이올
⏱ 1 min read
⚡ Quick answer: Propanediol: effective concentration 1–10%, optimal pH tolerant across roughly 3.0–8.0, evidence Moderate. Functionally interchangeable with butylene glycol. Choose the product for its actives, not for which glycol the brand picked.
How much Propanediol actually works? Here's the dosage, pH and evidence — the formulator-level read behind the % on a Korean label.
| Effective % | 1–10% |
|---|---|
| Optimal pH | tolerant across roughly 3.0–8.0 |
| Evidence | Moderate |
| Onset | immediate (feel) |
What the % on the label really means
Functionally interchangeable with butylene glycol. Choose the product for its actives, not for which glycol the brand picked.
⚠️ Ceiling: Beyond about 10% you gain slip and stickiness rather than hydration.
Propanediol guide →How Propanediol 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.