Sulfur: effective % & pH 유황
⏱ 1 min read
⚡ Quick answer: Sulfur: effective concentration 3–10% in spot and mask formats, optimal pH 4.0–6.0, evidence Moderate. A targeted, short-contact ingredient. Sulfur belongs on a spot or in a rinse-off mask, not across your whole face.
How much Sulfur actually works? Here's the dosage, pH and evidence — the formulator-level read behind the % on a Korean label.
| Effective % | 3–10% in spot and mask formats |
|---|---|
| Optimal pH | 4.0–6.0 |
| Evidence | Moderate |
| Onset | days on individual blemishes |
What the % on the label really means
A targeted, short-contact ingredient. Sulfur belongs on a spot or in a rinse-off mask, not across your whole face.
⚠️ Ceiling: Higher levels dry and flake skin without proportionate benefit.
Sulfur guide →How Sulfur works →
Sources: PubMed — Sulfur & 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.