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Niacinamide Duo
Close-up of a person applying a Niacinamide Serum to their eye with text highlighting its benefits.
Skincare product with text on how to layer Niacinamide Serum in  routine on a neutral background
Ingredients in Niacinamide Serum
Niacinamide Serum being applied to skin, accompanied by usage instructions.
Before and after comparison of a person's face with acne on the left and clear skin on the right.
Model with Niacinamide Serum on her face
Model with Niacinamide Bottle

10% Niacinamide Serum Duo

Visibly reduces excess oil, blemishes and enlarged pores

4.5
Rated 4.5 out of 5 stars
4.5 Stars (707 Reviews)
€19,00 €20,00 / 2 full-size products

What you get: : A lightweight 10% Niacinamide serum that targets excess oil, reduces blemishes, and minimises the appearance of pores for visibly clearer skin. 

Why it works: 10% Niacinamide regulates oil production and calms blemishes, while Hyaluronic Acid delivers lightweight hydration for balanced, clearer-looking skin.

How it feels: Lightweight and layers easily with skincare, spf and makeup.

When to use: Use AM/PM, after cleansing and applying your hydrator. Follow with moisturiser, and SPF in the AM.


 This duo includes: 2x 10% Niacinamide Serums (30ml)

Suitable for:

  • All skin types
  • Sensitive skin
  • Pregnancy & breastfeeding

Targets:

  • Excess oil
  • Redness
  • Breakouts & blemishes

Awards & Features

  • Cosmopolitan Award
  • Glamour Feature

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4.5
Rated 4.5 out of 5 stars
Based on 707 reviews
Reviews Summary
Customers say this serum has a lightweight, non-sticky texture that absorbs quickly into skin. Users report it helps reduce oiliness, redness, and the appearance of pores while evening skin tone. Many find it gentle enough for daily use and effective for managing breakouts. Several customers mention it works well under makeup and doesn't irritate sensitive skin. Common feedback includes improved skin texture and brightness with consistent use. While most praise its effectiveness, some note it can feel tacky or may cause irritation for certain skin types. Many users have repurchased multiple times, making it a skincare staple.
707 reviews
  • Michelle D.
    Verified Buyer
    Reviewing
    10% Niacinamide Serum Duo
    I recommend this product
    Age Range 16 - 18
    Skin Type Normal
    Skin Concerns Acne Scars, Oiliness
    Have you purchased an INKEY List product before? Yes
    How long have you used this product for? 3 months +
    Sensitive Skin Suitability I don’t have sensitive skin
    Rated 5 out of 5 stars
    2 days ago
    Great duo

    Great, my son uses it and fits well in his simple skincare routine.

  • Alissa A.
    Verified Buyer
    Reviewing
    10% Niacinamide Serum
    I recommend this product
    Rated 5 out of 5 stars
    1 week ago
    great for my nose area

    I feel it helps my nose with all its imperfections.

  • Edel O.
    Verified Buyer
    Reviewing
    10% Niacinamide Serum
    I recommend this product
    Age Range 35 - 44
    Skin Type Combination
    Skin Concerns Dryness, Plumping, Texture, Blackheads, Redness
    Have you purchased an INKEY List product before? No
    How long have you used this product for? 1-3 weeks
    Rated 5 out of 5 stars
    1 week ago
    Very good product

    Liked how it felt on my skin & it brought it back to life. Well worth buying and found it very nice.