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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 (703 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 703 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.
703 reviews
  • Catarina
    Reviewing
    10% Niacinamide Serum
    I recommend this product
    Rated 5 out of 5 stars
    1 week ago
    5 Stars

    amazing as always

  • Charlie-Rose T. C.
    Verified Buyer
    Reviewing
    10% Niacinamide Serum
    I recommend this product
    Age Range 25 - 34
    Skin Type Oily
    Skin Concerns Dehydration, Oiliness, Dull Skin
    Have you purchased an INKEY List product before? Yes
    How long have you used this product for? 3 months +
    Sensitive Skin Suitability Suitable for my sensitive skin
    Rated 5 out of 5 stars
    1 week ago
    Great for daily use

    I use this on no makeup days to keep my skin feeling fresh.

  • Nellie T.
    Verified Buyer
    Reviewing
    10% Niacinamide Serum Duo
    I recommend this product
    Age Range 35 - 44
    Skin Type Combination
    Skin Concerns Oiliness, Acne Scars, Hyperpigmentation, Texture, Redness
    Have you purchased an INKEY List product before? Yes
    How long have you used this product for? 3 months +
    Sensitive Skin Suitability Suitable for my sensitive skin
    Rated 5 out of 5 stars
    2 weeks ago
    Cost effective product

    I've been using this in my skincare routine for a while, and I like that you can get the items in a duo.