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Activated Charcoal: effective % & pH 활성탄

⏱ 1 min read
Quick answer: Activated Charcoal: effective concentration typically 0.5–5% in cleansers and masks, optimal pH 4.0–8.0, evidence Limited. Fine in a cleanser. Avoid peel-off charcoal masks if you would rather keep your facial hair and your comfort.

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

Effective %typically 0.5–5% in cleansers and masks
Optimal pH4.0–8.0
EvidenceLimited
Onsetimmediate (during use)

What the % on the label really means

Fine in a cleanser. Avoid peel-off charcoal masks if you would rather keep your facial hair and your comfort.

⚠️ Ceiling: More charcoal mostly makes the product blacker. Beyond a low level there is no evidence of extra oil pick-up on skin.

Activated Charcoal guide →How Activated Charcoal works →

Sources: PubMed — Activated Charcoal & 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.