Niacinamide（煙醯胺）淡斑控油全能成分｜毛孔幼滑一步搞掂

毛孔粗大又暗沉？「煙醯胺」可能係你欠咗嘅一步

如果你同時有出油、毛孔粗大同膚色不均嘅問題，一直搵唔到一款成分可以「一次過」處理，咁你可能未認識過煙醯胺（Niacinamide）。呢個成分喺韓妝同醫美界都極受歡迎，因為佢罕有咁溫和之餘，仲可以同時針對多個肌膚問題。

If you're dealing with oiliness, enlarged pores, and uneven skin tone all at once but haven't found a single ingredient that tackles them together, you may not yet know Niacinamide. It's a favorite in both K-beauty and dermatology circles for being gentle enough for daily use while addressing multiple concerns at once.

煙醯胺係咩？維他命B3嘅皮膚科學

煙醯胺其實係維他命B3嘅一種活性形式，喺皮膚科研究入面歷史悠久。佢嘅作用機制主要有三方面：促進皮膚屏障中神經醯胺嘅合成、調節皮脂腺分泌減少出油、以及阻斷黑色素轉移到皮膚表層從而達到淡化色斑效果。正因為呢個「多工」特性，煙醯胺先會被稱為護膚界嘅「萬用成分」。

Niacinamide is an active form of vitamin B3 with a long history in dermatological research. Its mechanism works on three fronts: boosting the skin's natural ceramide synthesis, regulating sebum production to reduce oiliness, and blocking melanin transfer to the skin's surface to help fade discoloration. This multi-tasking ability is exactly why niacinamide has earned its reputation as skincare's "all-rounder" ingredient.

研究點講：濃度同耐受度嘅關係

多項皮膚科研究顯示，2%至5%濃度嘅煙醯胺已經足以帶嚟明顯嘅控油同淡斑效果，同時大部分膚質都可以耐受。濃度去到10%或以上雖然效果更快，但部分敏感肌可能會出現輕微刺癢或泛紅，所以初次使用者建議由低濃度開始，等皮膚適應後先考慮加強劑量。根據 Draelos 等人發表嘅臨床研究，2% 煙醯胺喺持續使用4星期後，已經可以顯著減少臉部油脂分泌面積；而 Bissett 等人喺《International Journal of Cosmetic Science》發表嘅12星期雙盲對照研究亦顯示，5% 煙醯胺配方可以改善膚色不均、細紋同泛紅情況。

Multiple dermatological studies show that concentrations of 2–5% niacinamide are already effective for oil control and brightening, while remaining well-tolerated by most skin types. Concentrations of 10% or higher may work faster but can cause mild tingling or redness in sensitive skin, so first-time users should start low and build up gradually as their skin adapts. A clinical study by Draelos et al. found that 2% niacinamide significantly reduced the area of facial sebum after 4 weeks of use, while a 12-week double-blind study by Bissett et al. published in the International Journal of Cosmetic Science showed 5% niacinamide improved uneven tone, fine lines, and redness.

推介：煙醯胺護理組合

KOPHER Curepair Signature Ampoule 蘊含煙醯胺同透明質酸雙重配方，質地清爽好吸收，適合想同時處理暗沉同補水嘅肌膚，日夜都可以使用。

The KOPHER Curepair Signature Ampoule combines niacinamide with hyaluronic acid in a lightweight, fast-absorbing formula — ideal for those wanting to address dullness and hydration at the same time, suitable for both AM and PM use.

想針對膚色不均同暗沉問題，可以配合 Standard Seoul Brightening Bouncy Boost Serum，加強提亮效果，令膚色睇落更均勻透亮。

To specifically target uneven tone and dullness, pair it with the Standard Seoul Brightening Bouncy Boost Serum for an added brightening boost, helping skin tone appear more even and radiant.

煙醯胺常見迷思：濃度越高、效果越快？

• 迷思一：煙醯胺濃度越高效果越好，應該直接揀最高濃度。事實：10%或以上濃度未必人人都適合，部分敏感肌可能出現刺癢泛紅，由低濃度開始建立耐受度先係穩妥做法。
• 迷思二：煙醯胺可以直接淡斑、消除已形成嘅色斑。事實：煙醯胺主要透過阻斷黑色素轉移發揮預防同淡化作用，對已經形成嘅深層色斑效果有限，唔應該被當成「即時淡斑」嘅萬能解法。
• 迷思三：用煙醯胺就可以完全取代控油產品或防曬。事實：煙醯胺有助調節皮脂分泌，但唔能夠取代防曬同基本控油步驟，多管齊下先能維持皮膚狀態穩定。

Common myths about niacinamide: Myth 1 — higher concentration always means better results, so go straight for the strongest option. Fact: 10% or higher isn't right for everyone, and sensitive skin may experience tingling or redness — starting low and building tolerance is the safer approach. Myth 2 — niacinamide can directly erase existing dark spots. Fact: niacinamide mainly works by blocking melanin transfer, helping prevent and gradually fade discoloration — it has limited effect on deep, already-formed spots and shouldn't be treated as an instant fix. Myth 3 — using niacinamide means you can skip oil-control products or sunscreen entirely. Fact: niacinamide helps regulate sebum, but it can't replace sun protection or basic oil-control steps — combining approaches is what keeps skin stable.

常見問題 FAQ

• Q: 煙醯胺可唔可以同維他命C一齊用？
  A: 現時研究普遍認為兩者可以一齊使用，唔會互相抵消效果，但敏感肌建議分早晚使用，觀察皮膚反應。
  Q: Can niacinamide be used with vitamin C? A: Current research generally suggests they can be used together without cancelling each other out, though sensitive skin may prefer using them at different times of day and monitoring for reactions.
• Q: 油性肌膚都可以用煙醯胺嗎？
  A: 可以，煙醯胺其中一個主要功效就係調節皮脂分泌，油性同混合肌通常都反應良好。
  Q: Is niacinamide suitable for oily skin? A: Yes — one of its key benefits is regulating sebum production, and oily or combination skin typically responds well to it.
• Q: 用煙醯胺產品要幾耐先見到毛孔同暗沉改善？
  A: 一般建議持續使用最少4至6星期，因為皮脂調節同色素代謝都需要時間，唔建議心急頻密轉換產品。
  Q: How long until I see improvement in pores and dullness? A: Generally at least 4–6 weeks of consistent use, since sebum regulation and pigment turnover both take time — avoid switching products too frequently.

一個成分，多個煩惱一次處理

與其分開處理出油、毛孔同暗沉三個問題，不如由煙醯胺呢個「萬用成分」入手。由 KOPHER Curepair Signature Ampoule 到 Standard Seoul Brightening Bouncy Boost Serum，by Glowsis 為想簡化護膚步驟嘅你準備咗實用選擇。

Instead of tackling oiliness, pores, and dullness separately, why not start with niacinamide — the true multi-tasker? From the KOPHER Curepair Signature Ampoule to the Standard Seoul Brightening Bouncy Boost Serum, by Glowsis offers practical options for anyone looking to simplify their routine.

Sources

• Draelos ZD, et al. — The effect of 2% niacinamide on facial sebum production. (via ResearchGate)
• Bissett DL, et al. "Topical niacinamide reduces yellowing, wrinkling, red blotchiness, and hyperpigmented spots in aging facial skin." International Journal of Cosmetic Science (2004)