How long should you wait between Niacinamide and Azelaic Acid?
Does It Mix engine · wait time
No special wait is needed. Apply Azelaic Acid first, give it a minute to absorb, then the other.
The routine
- Layer from thinnest to thickest texture.
- Finish with moisturizer, and sunscreen in the morning.
Why: full Niacinamide + Azelaic Acid answer and sources.
FAQ
Does waiting 20 or 30 minutes between products help?
We haven't found good evidence that a set wait of many minutes changes how most skincare works. The practical reason to pause is letting each layer absorb so the next one doesn't pill or sting.
Sources
- Bissett DL, et al. Niacinamide: a B vitamin that improves aging facial skin appearance. Dermatol Surg. 2005;31(7 Pt 2):860-865.
- The multiple uses of azelaic acid in dermatology: mechanism of action, preparations, and potential therapeutic applications. Postepy Dermatol Alergol. 2023.
- Topical azelaic acid, salicylic acid, nicotinamide, sulphur, zinc and fruit acid (alpha-hydroxy acid) for acne. Cochrane Database Syst Rev. 2020;5:CD011368.