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Niacinamide Serum Duo | The INKEY List

Power packed serum duo for excess oil and redness

Rated 4.5 out of 5 stars
4.5 Stars (513 Reviews)
€16,00 €20,00 / 2 full-size products

20% OFF + FREE Dewy SPF 30 over €45! Limited time only.


Introducing our dynamic duo of lightweight Niacinamide Serums, power-packed and effortlessly layered into your skincare routine to combat excess oil and redness.

Formulated with 10% Niacinamide, this naturally occurring B3 vitamin helps to effectively reduce excess oil, blemishes and redness. This anti-blemish serum has a thin consistency and is formulated with 1% Hyaluronic Acid for added hydration and effective delivery, leaving your skin smoother and radiant.

This duo includes: 2x Niacinamide Serums (30ml)

Suitable for:

  • All Skin Types
  • Sensitive Skin


  • Excess Oil
  • Redness
  • Breakouts & Blemishes

Proud to be:

  • Fragrance Free
  • Carbon Net-Zero
  • B-Corp
  • Recyclable
  • Travel Size
  • Gluten Free
  • Cruelty Free

Awards & Features

Cosmopolitan Award

Delivery info

  • (calculated at checkout, shipping destination dependent)

  • Standard EU Tracked Shipping

  • €5.95 (2-5 business days*). FREE on orders above €45**.

  • **The following countries are subject to increased Standard Tracked Shipping rates. In addition, Express Shipping is not available to these countries.

  • €6.95 - Denmark, Finland, Switzerland, Estonia, Luxembourg - (2-5 business days*). FREE on order over €45.
  • €8.95 - Spain, Portugal, Greece, Sweden, Croatia, Bulgaria, Romania - (2-5 business days*). FREE on order over €55.
  • €11.95 - Malta, Cyprus, Iceland, Serbia, North Macedonia, Bosnia & Herzegovina, Monaco - (2-5 business days*). FREE on order over €65.
  • Express EU Tracked Shipping

  • €11.95 (up to 4 business days*, if ordered before 4pm CET on business days) 

  • Tariff or duties
  • Orders with EU shipping destinations won't be subject to any tariff or duties, however please note that there are a small number of EU and European territories that still require tariffs and duties that will need to be covered by the customer.

*Find out more about shipping here.

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Rated 4.5 out of 5 stars
Based on 513 reviews
Total 5 star reviews: 373 Total 4 star reviews: 88 Total 3 star reviews: 27 Total 2 star reviews: 10 Total 1 star reviews: 15
513 reviews
  • Debi L.
    Verified Buyer
    Niacinamide Serum Duo
    Niacinamide Serum Duo
    Rated 3 out of 5 stars
    1 hour ago
    love product Hate the smell

    as the title states, The product itself it great but I really DISLIKE the smell

  • Jo C.
    Verified Buyer
    Niacinamide Serum Duo
    Niacinamide Serum Duo
    I recommend this product
    Age Range 35 - 44
    Skin Type Combination
    Skin Concerns Oiliness, Fine Lines and Wrinkles, Plumping, Texture
    Sensitive Skin Friendly? Yes
    Rated 4 out of 5 stars
    Good Value

    I usually use the super solutions which I find much more effective for oily skin however this is a good product and value.

  • Oana Z.
    Verified Buyer
    Niacinamide Serum
    Niacinamide Serum
    I recommend this product
    Rated 5 out of 5 stars
    2 days ago
    Does its job

    Have used it for a while now. I think I'm on my third purchase. I have seen a significant reduction in spots and even when they do appear, they last way less and usually don't get red.

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