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Moisturizing & Barrier

Azelaic Acid

whitening-grading-trend
MoisturizingBrighteningSebum / AcneExfoliation / PoresAntioxidantBarrierSoothing
INCI: Azelaic Acid
In short · TL;DR
Category
Moisturizing & Barrier
Effect
Acne improvement, brightening (pigmentation improvement), anti-inflammatory, pore care
Concentration
10-20% (pharmaceutical). 5-10% in cosmetics
Effect
Acne improvement, brightening (pigmentation improvement), anti-inflammatory, pore care
Mechanism
Grain-derived dicarboxylic acid. Multi-functional: tyrosinase inhibition (brightening), antibacterial action (acne bacteria suppression), keratinization normalization (pore clogging improvement), ROS scavenging (antioxidant)
Typical concentration
10-20% (pharmaceutical). 5-10% in cosmetics
Onset
Acne improvement: 4-8 weeks. Pigmentation improvement: 12-24 weeks
Cautions
May cause mild tingling and redness initially (subsides within several days)
Evidence & references
Kircik (2011) "Efficacy and safety of azelaic acid" PubMed
Journal

Related Journal

4
Care Guides by ConcernPore and acne care — the 3 factors of sebum, keratinization, and inflammationSkin Longevity SeriesThe Lens of Evidence Concentration — The Line Between "Contains" and "Works"Skin Longevity SeriesThe Science of Summer Acne—Sweat, Sebum, Clogged Pores, and the Ecology of C. acnesSkin Longevity SeriesGrading the Buzzwords of Brightening Skincare
This page is reference information and does not guarantee efficacy. Figures vary by test conditions (in vitro / manufacturer / concentration). It does not indicate pharmaceutical efficacy.
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