Azelaic Acid vs Niacinamide: Which Is Right for Your Skin?
By The Ordinary | Clinical Formulations with Integrity | Published: 2026-10-13
Category: Comparisons
Azelaic Acid Suspension 10% targets uneven tone and texture, while Niacinamide 10% + Zinc 1% supports blemish-prone skin. Compare their roles and choose your fit.
Quick answer
Choose Azelaic Acid Suspension 10% if your main concern is uneven skin tone and texture, especially with blemish-prone skin. Choose Niacinamide 10% + Zinc 1% if you want a universal serum to smooth, brighten, and support the look of blemish-prone skin. They can be used together, but introduce one at a time to see how your skin responds.
What each formula is designed to do
Azelaic Acid Suspension 10% is formulated for blemish-prone skin and aims to improve the appearance of uneven skin tone while helping refine skin texture. Niacinamide 10% + Zinc 1% is a universal serum also designed for blemish-prone skin; it works to smooth, brighten, and support the look of skin, containing 10% niacinamide and 1% zinc. Both target overlapping concerns, but their primary focus differs: azelaic acid leans toward tone and texture refinement, while niacinamide leans toward smoothing and brightening with zinc support.
How to choose based on your main concern
If uneven tone and rough texture are your top priorities, azelaic acid is the more direct match. If you want a lightweight serum that supports a brighter, more even-looking complexion while smoothing texture, niacinamide is the simpler starting point. For blemish-prone skin with both concerns, you can use them in the same routine—for example, niacinamide in the morning and azelaic acid at night—but patch test and introduce gradually.
Layering and routine fit
Both products fit into a basic routine after cleansing. Apply Niacinamide 10% + Zinc 1% before heavier creams; apply Azelaic Acid Suspension 10% as a treatment step. If you use both, avoid mixing them at the same time—apply one, let it absorb, then the other. The Smooth Skin Collection pairs Niacinamide 10% + Zinc 1% with Squalane Cleanser and Glycolic Acid 7% Exfoliating Toner, which can simplify a texture-focused routine. The Hair & Scalp Collection is a separate daily set for scalp and hair density, not a facial treatment, so it does not replace either serum.
Trade-offs to weigh
- Azelaic Acid Suspension 10%: Targets uneven tone and texture for blemish-prone skin, but it is a more focused treatment step rather than a universal serum. Best if tone and texture are your main goals.
- Niacinamide 10% + Zinc 1%: A universal serum that smooths, brightens, and supports blemish-prone skin, but it may not refine texture as directly as azelaic acid. Best if you want one easy serum for overall smoothing and brightening.
- Using both: You can layer them at different times, but this adds steps and requires gradual introduction to avoid overwhelming your skin. Start with one, then add the second after two weeks if needed.
Key product facts
- Azelaic Acid Suspension 10%: Azelaic Acid Suspension 10% is formulated for blemish-prone skin, targets uneven skin tone, and helps refine skin texture. This makes it a strong fit when tone and texture are your primary concerns.
- Niacinamide 10% + Zinc 1%: Niacinamide 10% + Zinc 1% is a universal serum for blemish-prone skin that contains 10% niacinamide and 1% zinc, helps smooth skin texture, and supports a brighter, more even-looking complexion. This makes it a versatile option for smoothing and brightening as part of a daily routine.
Which should you choose?
Best for
- Anyone whose main concern is uneven skin tone and rough texture with blemish-prone skin
- Those who want a targeted treatment step for tone and texture refinement
Not for
- Anyone seeking a single universal serum for smoothing and brightening without a separate treatment step
- Those who prefer to keep their routine to one active product
