Search for niacinamide serum and you will find dozens of options — from global K-beauty names to locally developed brands, across a wide range of prices and concentrations. The answer is not just about the percentage on the front label. It is about what surrounds the niacinamide, how the formula is constructed, and whether the total product is a match for what your skin actually needs.
What Does Niacinamide Actually Do?
Niacinamide (vitamin B3) is one of the most extensively researched topical skincare ingredients:
- Brightening and tone-evening. Niacinamide works by inhibiting the transfer of melanin from melanocytes to skin cells — the process that causes uneven skin tone to form. Over consistent use, this helps the skin look more even and radiant.
- Pore appearance. Helps regulate sebum production and can reduce the appearance of enlarged pores, particularly in oily and combination skin types.
- Barrier support. Stimulates the production of ceramides and lipids that form the skin's protective barrier.
- Anti-inflammatory properties. Helps calm redness and is well-tolerated even by sensitive skin.
What Concentration of Niacinamide is Best?
2% to 4%: Effective for most people and the concentration used in several key clinical studies. Well-tolerated across all skin types including sensitive skin.
5%: A mid-range concentration that balances efficacy with tolerability. Widely used in well-formulated serums.
10% and above: Higher concentrations can accelerate results for some users but also increase the likelihood of flushing or irritation. The benefit ceiling at very high concentrations is not proportionally greater than at 5%.
What to Look for Beyond Niacinamide
Key supporting ingredients:
- Centella asiatica / cica extract: Calms inflammation, supports barrier repair
- Panthenol (provitamin B5): Deeply moisturising, supports skin recovery
- Hyaluronic acid: Adds hydration without heaviness
Popular Niacinamide Serums: What Sets Them Apart
The Ordinary Niacinamide 10% + Zinc 1%
10% niacinamide with zinc PCA for sebum regulation. Minimal, single-focus formula. Suitable for oily or acne-prone skin.
Anua Niacinamide 10% + TXA 4% Serum
10% niacinamide paired with tranexamic acid 4% — dual brightening mechanism. Primarily positioned around tone-evening.
MIINIDA Jeju Glow & Balance Serum
3% niacinamide — intentionally moderate for maximum daily tolerability. Base: Jeju Cica Water + Jeju Mandarin Water, replacing purified water entirely. Panthenol 3% for barrier conditioning. RM39.
The MIINIDA Approach: Why We Chose 3%
The evidence for niacinamide's tone-evening effect shows meaningful results beginning at 2% to 4%. Going higher narrows who can use the product comfortably. A formula that works at 3% and is comfortable for sensitive skin gets used every day. Consistent daily application over 8 to 12 weeks is what produces visible results.
We put formula effort into the base: Jeju Cica Water and Jeju Mandarin Water suspend the niacinamide in something actively beneficial — not just water. Panthenol 3% adds barrier support. The brightening effect comes from multiple directions.
See the full ingredient list and decide for yourself. Shop the MIINIDA Jeju Glow & Balance Serum — RM39. No purified water. Just Jeju.