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Niacinamide Duo
Before & After of customer using Niacinamide Serum
How to layer Niacinamide Serum in your routine
Apply pea-sized amount
When to apply AM & PM
Ingredients in Niacinamide Serum
Model with Niacinamide Serum on her face
Model with Niacinamide Bottle

Niacinamide Serum Duo | The INKEY List

Power packed duo for reducing excess oil, blemishes and redness

4.5
Rated 4.5 out of 5 stars
4.5 Stars (622 Reviews)
€20,00 / 2 full-size products
or €16,00 / 2 full-size products

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Introducing our powerful duo of lightweight Niacinamide Serums, designed to effortlessly tackle excess oil and redness while seamlessly fitting into your skincare routine.

Formulated with 10% Niacinamide, a naturally occurring B3 vitamin, this serum works to reduce blemishes, control oil production, and calm redness. With a thin, fast-absorbing formula and the added benefit of 1% Hyaluronic Acid, it provides essential hydration while delivering targeted results, leaving your skin smoother and radiant.

This duo includes: 2x Niacinamide Serums (15ml)

Suitable for:

  • All Skin Types
  • Sensitive Skin

Targets:

  • Excess Oil
  • Redness
  • Breakouts & Blemishes

Proud to be:

  • Fragrance Free
  • Carbon Net-Zero
  • B-Corp
  • Recyclable
  • Travel Size
  • Gluten Free
  • Cruelty Free
  • Pregnancy & Breastfeeding Safe

Awards & Features

Cosmopolitan Award
Glamour Feature

Delivery info

  • 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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4.5
Rated 4.5 out of 5 stars
Based on 622 reviews
Total 5 star reviews: 448 Total 4 star reviews: 109 Total 3 star reviews: 34 Total 2 star reviews: 11 Total 1 star reviews: 20
622 reviews
  • Sheri C.
    Verified Buyer
    Reviewing
    Niacinamide Serum
    I recommend this product
    Age Range 45 - 54
    Skin Type Oily
    Skin Concerns Redness, Texture, Breakouts, Oiliness, Fine Lines and Wrinkles
    Sensitive Skin Friendly? Yes
    Rated 5 out of 5 stars
    5 days ago
    Great Product!

    This is a really nice product. It is very lightweight, not sticky, and no scent at all. So far I am pleased with it.

  • Caroline L.
    Verified Buyer
    Reviewing
    Niacinamide Serum
    I recommend this product
    Age Range 25 - 34
    Skin Type Oily
    Skin Concerns Breakouts, Oiliness, Blackheads, Acne Scars, Under Eye Circles
    Sensitive Skin Friendly? Yes
    Rated 5 out of 5 stars
    1 week ago
    A staple

    My boyfriend and I love it so much. It will never leave our skincare kit.

  • Amber F.
    Verified Buyer
    Reviewing
    Niacinamide Serum
    I recommend this product
    Age Range 18 - 24
    Skin Type Oily
    Skin Concerns Breakouts, Acne Scars, Oiliness, Hyperpigmentation, Under Eye Circles
    Sensitive Skin Friendly? Yes
    Rated 5 out of 5 stars
    1 week ago
    Oil no more

    Really struggled with oil and greasy looking skin, since using this is so well controlled and reduced, nice consistency, great serum