Phenoxyethanol: effective % & pH 페녹시에탄올
⏱ 1 min read
⚡ Quick answer: Phenoxyethanol: effective concentration up to 1% — the regulatory ceiling in Korea, the EU and Japan, optimal pH 3.0–10.0, evidence Strong. The 1% figure is a legal limit, not a marketing number. Its presence tells you the product is properly preserved.
How much Phenoxyethanol actually works? Here's the dosage, pH and evidence — the formulator-level read behind the % on a Korean label.
| Effective % | up to 1% — the regulatory ceiling in Korea, the EU and Japan |
|---|---|
| Optimal pH | 3.0–10.0 |
| Evidence | Strong |
| Onset | not applicable — it protects the product, not your skin |
What the % on the label really means
The 1% figure is a legal limit, not a marketing number. Its presence tells you the product is properly preserved.
⚠️ Ceiling: There is no benefit in exceeding the cap, and no formulator does.
Phenoxyethanol guide →How Phenoxyethanol works →
Related K-beauty guides
Try the free tools
🪞 Find your skin type🧴 Build a routine🧪 Decode any INCI list⚗️ What not to mix🔮 Glass Skin Score🩺 Troubleshoot skin🛡️ Where to buy authentic
Explore more K-beauty guides →
⏭ Up next⚗️ Ethylhexylglycerin: effective % & pH 에틸헥실글리세린
✍️ 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.