Can you use azelaic acid with niacinamide?
Yes. Azelaic acid and niacinamide are compatible, and both are used for the look of redness and uneven tone, so they complement each other.
Why
There's no known chemical conflict: a lab stability study found creams containing azelaic acid and 4% niacinamide stayed stable for 180 days. A randomized study of a cream with an azelaic acid derivative, niacinamide and tranexamic acid found side effects no more common than with a plain cream. Direct research on the pair is limited, so go slowly if your skin is sensitive.
How to use them
Apply them in either order, morning or night, letting each layer absorb. In the morning, finish with broad-spectrum sunscreen.
Sources
- 1Compatibility of Active Pharmaceutical Ingredients Combinations Compounded in Cleoderm™, a Cream Base for Personalized Dermatological Treatments · International Journal of Pharmaceutical Compounding, 2025
- 2Effects of trans-4-(aminomethyl) cyclohexanecarboxylic acid/potassium azeloyl diglycinate/niacinamide topical emulsion in Thai adults with melasma: a single-center, randomized, double-blind, controlled study · Current Therapeutic Research, Clinical and Experimental, 2010
- 3Skincare ingredients recommended by cosmetic dermatologists: A Delphi consensus study · Journal of the American Academy of Dermatology, 2025
General cosmetic information, not medical advice. Written with AI assistance from the sources above; updated October 2026.