Korean niacinamide for pores —
does it really work?
Noticing more visible pores on your nose, cheeks or T-zone, despite a serious routine? That's often where Korean niacinamide comes into its own. This active won't erase pores — no skincare can — but it can clearly make them less visible.
The mechanism
Why pores look more visible
Pores don't open and close like doors. They do, however, look larger when several factors add up: excess sebum, a build-up of dead skin cells, loss of firmness, dehydration or repeated inflammation. That's why combination to oily skin isn't the only type affected. Sensitive, dehydrated or post-acne skin can also have an uneven texture and more noticeable pores.
This is where niacinamide is particularly useful, because it works on several levers at once. It doesn't exfoliate like a BHA, and it doesn't boost cell renewal like a retinol, but it helps bring the skin back to a more stable state. And more stable skin often has a smoother texture.
What it actually does
What Korean niacinamide really does for pores
Niacinamide, also known as vitamin B3, is famous for its versatility. When it comes to pores, its benefit is mainly indirect but very real. It helps regulate sebum production, which limits shine and the congestion that visually accentuates pores. It also supports the skin barrier, so your skin copes better with daily life, over-frequent cleansing or slightly more intense actives.
Another often underestimated point: irritated skin rarely looks smoother. When redness, micro-inflammation and dehydration set in, skin texture stands out more. Niacinamide helps calm precisely this vicious circle. The result: pores don't disappear, but they draw less attention.
Korean niacinamide skincare often has an extra advantage: it pairs this active with soothing, hydrating ingredients such as centella asiatica, hyaluronic acid, panthenol or ceramides.
“Pores don't disappear, but they draw less attention.”
The right dose
Not all concentrations are equal
You might think a higher percentage will automatically give better results on pores. In reality, it depends on your skin. A 2 to 5% formula can already be very effective if it's well formulated and used consistently. At 10%, you're often in more targeted territory for combination, oily or blemish-prone skin, but it isn't automatically the best option for reactive skin.
The smart move is to look at the formula as a whole. A well-dosed niacinamide with soothing agents, a light texture and few irritating ingredients will often give better results than an overdosed serum that weakens the skin barrier. In skincare, consistency very often beats intensity.
Your profile
Which skin types benefit most?
Niacinamide works very well for combination to oily skin looking to reduce shine and improve the appearance of pores. It's also relevant for breakout-prone skin, especially when visible pores come with blackheads or post-blemish marks.
But it isn't limited to that profile. Sensitive skin with diffuse redness can benefit too, as long as you choose a gentle formula. Even dehydrated skin can see an improvement in texture when the skin barrier is better supported.
How to use it
How to add Korean niacinamide to your routine
The good news is that niacinamide slots in easily. It's generally used after cleansing and after a toner or essence, then before moisturiser. It has its place both morning and evening. If your main goal is tackling excess sebum during the day, a morning application can be very worthwhile.
Texture matters too. A watery serum suits combination to oily skin wanting something lightweight. An essence or toner enriched with niacinamide may feel more comfortable if your skin tends to get dehydrated.
If you're just starting out, keep your routine simple for two to three weeks. It's the best way to see whether your skin becomes more balanced, less shiny and visibly smoother.
Pairings
Which actives to pair with niacinamide?
The most logical pairing for visible pores is still BHA, especially if you also have blackheads and congestion. BHA helps unclog, niacinamide helps balance and soothe. It's a very coherent duo.
Niacinamide also works beautifully with hyaluronic acid, ceramides or panthenol. This combination is perfect if your pores are accentuated by dehydrated or sensitised skin. With vitamin C, the pairing is possible in most modern routines.
With retinol, it's mainly about managing the pace. The duo can be excellent for skin texture and visible pores, but it requires a routine your skin tolerates well.
The pitfalls
The mistakes that sabotage results
The first mistake is expecting an instant effect. With pores, results are gradual. It generally takes several weeks to see a real visible change in skin texture and excess sebum.
The second is trying to attack pores from every angle at once. Too many exfoliants, too many actives, too much cleansing: the skin gets thrown off balance and often ends up producing even more sebum.
The third is forgetting sun protection. If you're working on skin texture without protecting your skin in the morning, you're clearly slowing down your progress. Without SPF, UV rays undo part of the work of your actives. It's as simple as that.
Our selection
The Korean niacinamides available at Haru & Bom
Niacinamide 10% + TXA 4% — pores and dark spots

Pores + BHA — dual-action deep cleansing

Niacinamide + peach — radiance and hydration

- Niacinamide doesn't eliminate pores — it makes them less visible by regulating sebum and balancing the skin.
- Consistency matters more than concentration — a well-formulated 5% often beats a poorly tolerated overdose.
- Paired with BHA, niacinamide makes a coherent duo against pores and congestion.
- Results are gradual — allow several weeks of consistent use.
- Without SPF50+ in the morning, actives lose much of their effectiveness.
- Read also: Korean exfoliant for blackheads — choosing the right one →
At Haru & Bom, our niacinamide selection is designed for real skin on Reunion Island — effective, gentle, no compromise. Explore our full Korean niacinamide selection →





