Zinc PCA: effective % & pH 징크피씨에이
⏱ 1 min read
⚡ Quick answer: Zinc PCA: effective concentration 0.1–1%, optimal pH 4.5–6.0, evidence Emerging. A supporting oil-control ingredient. It manages shine; it does not clear breakouts on its own.
How much Zinc PCA actually works? Here's the dosage, pH and evidence — the formulator-level read behind the % on a Korean label.
| Effective % | 0.1–1% |
|---|---|
| Optimal pH | 4.5–6.0 |
| Evidence | Emerging |
| Onset | 4–8 weeks |
What the % on the label really means
A supporting oil-control ingredient. It manages shine; it does not clear breakouts on its own.
⚠️ Ceiling: Higher levels can feel drying and destabilise emulsions.
Zinc PCA guide →How Zinc PCA works →
Sources: PubMed — Zinc PCA & 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.