Paragraph match score 78.7%
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Top 10 niacinamide serum benefits
You can use niacinamide morning and night and it generally layers well with vitamin C, AHAs/BHAs and retinoids as long as you avoid introducing too many strong actives at once.
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Alpha Arbutin + Niacinamide: A Simple Routine for Hyperpigmentation
You can safely use alpha arbutin and niacinamide together if you start slowly, keep the rest of your routine gentle, and wear broad-spectrum sunscreen every day. Most people do well with a basic 3–5 step AM and PM routine instead of stacking many brightening products at once.