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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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Common questions about face serums for normal skin and uneven tone
Yes, most people with normal skin can use vitamin C and niacinamide in the same routine, and many modern formulas are specifically designed to pair them. You can use a serum that already combines both, or use separate products at different times. A simple approach is to use a vitamin C serum in the morning under sunscreen and a niacinamide-based serum either in the same routine or at night. If you are new to actives, start with one ingredient first for a couple of weeks to see how your skin responds, then add the second. If you notice burning, tightness, or new breakouts, scale back on frequency or simplify your routine and focus on hydration and barrier repair before trying again.