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Azelaic Acid Serum Guide for Tone, Clarity, and Calm-Looking Skin
Learn how 10% azelaic acid fits into a simple routine for the appearance of uneven tone, visible redness, and congestion.
By Elena Vale
Cosmetic chemist, MSc
Last updated June 4, 2026
Azelaic acid is used in cosmetic skin care for the appearance of clarity, smoother-looking tone, and calm. It is especially useful when the routine needs one direct active instead of a crowded brightening blend.
How to start
Begin at night two to three times weekly if your skin is sensitive. Moisturize well and use SPF every morning.