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Octocrylene: effective % & pH 옥토크릴렌

⏱ 1 min read
Quick answer: Octocrylene: effective concentration up to 10% in Korea, the EU and the US, optimal pH typically 5.0–7.0 in the finished emulsion, evidence Strong. You want it in a formula containing avobenzone. On its own it is unremarkable.

How much Octocrylene actually works? Here's the dosage, pH and evidence — the formulator-level read behind the % on a Korean label.

Effective %up to 10% in Korea, the EU and the US
Optimal pHtypically 5.0–7.0 in the finished emulsion
EvidenceStrong
Onsetimmediate (on application)

What the % on the label really means

You want it in a formula containing avobenzone. On its own it is unremarkable.

⚠️ Ceiling: At the top of its range it is noticeably oily and heavy, which is why elegant formulas use it as support rather than as the main filter.

Octocrylene guide →How Octocrylene works →

Sources: PubMed — Octocrylene & skin ↗ · AAD skin-care basics ↗

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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.