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Homosalate: effective % & pH 호모살레이트

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Quick answer: Homosalate: effective concentration 10% has been the traditional ceiling; the EU has since lowered the level permitted in facial products, optimal pH typically 5.0–7.0 in the finished emulsion, evidence Strong. A filter list leaning heavily on homosalate is usually an older-style formula. Not unsafe, just not modern.

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

Effective %10% has been the traditional ceiling; the EU has since lowered the level permitted in facial products
Optimal pHtypically 5.0–7.0 in the finished emulsion
EvidenceStrong
Onsetimmediate (on application)

What the % on the label really means

A filter list leaning heavily on homosalate is usually an older-style formula. Not unsafe, just not modern.

⚠️ Ceiling: It is a weak filter, so high levels are common — which limits how much room is left for better ones.

Homosalate guide →How Homosalate works →

Sources: PubMed — Homosalate & 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.