Azelaic Acid: what it is in skincare
⚡ Quick answer: A grain-derived acid that helps smooth texture and supports a clearer, more even complexion.
A grain-derived acid that helps smooth texture and supports a clearer, more even complexion.
What it does
Function: brightening / soothing. Soothing actives help comfort the look of redness and sensitivity — a defining strength of Korean cica/centella and heartleaf formulas.
How to spot it on a label
On a Korean product's INCI list, look for Azelaic Acid. Ingredients are listed high-to-low by amount, so its position hints at how much is in the formula. See all soothing / calming →
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Centella Asiatica Leaf WaterMadecassosideAsiaticosideMadecassic AcidPropolis ExtractGreen Tea Leaf Water✍️ Written & reviewed by the KoreaPlus Editorial team — dermatologist-informed, cosmetic-science researched & source-cited. Last reviewed 2026-06-21.
General educational information using cosmetic structure-function wording — not medical advice. Always patch-test new actives. © KoreaPlus.