Niacinamide vs Azelaic Acid – Redness & Tone
Overview
Both brighten and calm the look of skin. Niacinamide is barrier‑supporting; Azelaic offers mild exfoliation and tone evening.
When to Choose
- Redness/oil? → Niacinamide
- Post‑blemish marks? → Azelaic
Layering
Often layered or alternated. Patch test if sensitive.