Ethylhexyl Methoxycinnamate (Octinoxate): effective % & pH 에틸헥실메톡시신나메이트
⏱ 1 min read
⚡ Quick answer: Ethylhexyl Methoxycinnamate (Octinoxate): effective concentration roughly 7.5–10% depending on the market, optimal pH typically 5.0–7.0 in the finished emulsion, evidence Strong. Fine for a commute. For a long day in strong sun, prefer a formula built on more photostable filters.
How much Ethylhexyl Methoxycinnamate (Octinoxate) actually works? Here's the dosage, pH and evidence — the formulator-level read behind the % on a Korean label.
| Effective % | roughly 7.5–10% depending on the market |
|---|---|
| Optimal pH | typically 5.0–7.0 in the finished emulsion |
| Evidence | Strong |
| Onset | immediate (on application) |
What the % on the label really means
Fine for a commute. For a long day in strong sun, prefer a formula built on more photostable filters.
⚠️ Ceiling: It degrades in sunlight without photostabilisers, so a high level is not the same as high protection over a day outdoors.
Ethylhexyl Methoxycinnamate (Octinoxate) guide →How Ethylhexyl Methoxycinnamate (Octinoxate) 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.