Azelaic Acid
Korean INCI: 아젤라익애씨드 · Also written as: 아젤라산
Supportive
What it is
Soothing/exfoliation support
How it affects the score
Supports moisture, soothing or conditioning. +2 per distinct ingredient (up to 3).
How to read it on the label
It's a helper, not the hero. If a product headlines this ingredient, check what the actual actives are.
Ingredients are listed by descending concentration. Anything after the ~1% anchors (EDTA, hexanediol, preservatives) is effectively trace.
Check your own shampoo
Paste your full ingredient list to see this ingredient's position and the overall score.
Related ingredients
Glycolic Acid · Limited evidence
Lactobionic Acid · Supportive
Mandelic Acid · Limited evidence
Salicylic Acid · Evidence-backed
※ For reference only, based on public ingredient data — not medical advice.