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Moisturizing & Barrier

Azelaic Acid

summer-damage-recovery
AntioxidantSoothingSebum / AcneMoisturizingBrighteningExfoliation / PoresBarrier
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

5
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 SkincareSkin Longevity SeriesThe 4-Week Summer Damage Recovery Blueprint
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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