Niacinamide (B3) for combination skin
Is Niacinamide (B3) good for combination skin?
The ultimate multitasker — 2–5% suits most skin. The old “don’t mix with vitamin C” rule is a debunked myth.
Why it suits combination skin
- Helps refine the look of pores & even tone
- Supports oil balance & barrier
Full Niacinamide (B3) guide → · Combination skin guide →
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What does niacinamide do?
Niacinamide is a form of vitamin B3 widely used in Korean skincare to help brighten the look of dullness, refine the appearance of pores and support the skin barrier. It's gentle, well tolerated by most skin types and pairs easily with many other ingredients.
Can you use vitamin C and niacinamide together?
Yes, current understanding is that vitamin C and niacinamide can be used together safely, and many Korean formulas combine them. The old warning that they cancel out is largely outdated. If your skin is sensitive, you can still apply them at different times of day to be cautious.
✍️ Written & reviewed by the KoreaPlus Editorial team — dermatologist-informed, cosmetic-science researched & source-cited. Last reviewed: 2026-08-08.
General educational information using cosmetic structure-function wording — not medical advice. Always patch-test new actives. © KoreaPlus.