K-BeautyLibrary › Ingredients

Kojic Acid: K-beauty ingredient guide 코직애씨드

⏱ 1 min read
Quick answer: A by-product of the same koji fermentation used to make sake and soy sauce. It can be sensitising for some people, so it is usually formulated at modest levels and in company with gentler brighteners.

A by-product of the same koji fermentation used to make sake and soy sauce. It can be sensitising for some people, so it is usually formulated at modest levels and in company with gentler brighteners.

What Kojic Acid does for your skin

Best for

🟤 Dark spots & tone🗺️ Melasma & stubborn patches🌟 Dullness & glow

🌌 Kojic Acid compatibility map

Tap any ingredient to open its guide. ━ pairs well · ┈ use with care.

🧫Niacinamide …🫐Alpha-Arbutin🍊Vitamin CTranexamic A…🍚Kojic Acid
🤰 Pregnancy: Ask your doctor before use during pregnancy. · ⏰ Use: PM

Related K-beauty guides

🍚 Kojic Acid

Try the free tools

🪞 Find your skin type🧴 Build a routine🧪 Decode any INCI list⚗️ What not to mix🔮 Glass Skin Score🩺 Troubleshoot skin🛡️ Where to buy authentic
Explore more K-beauty guides →

Related

🧫 Niacinamide (B3)💧 Hyaluronic Acid🍚 Rice Extract🫚 Ginseng🍶 Galactomyces Ferment🐟 PDRN (Salmon DNA)
⏭ Up next🌻 Vitamin E (Tocopherol): K-beauty ingredient guide 비타민E(토코페롤)
💄 K-Beauty hub📚 All guides🎤 K-Pop🧭 Korea travel

✍️ 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.