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Niacinamide Serum bottle
Close-up of a person applying a Niacinamide Serum to their eye with text highlighting its benefits.
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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 Bottle
Model with Niacinamide Serum on her face

10% Niacinamide Serum

Visibly reduces excess oil, blemishes and enlarged pores

4.5
Rated 4.5 out of 5 stars
4.5 Stars (703 Reviews)
€10,00 / 30ml

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.

Suitable for:

  • All skin types
  • Sensitive skin
  • Pregnancy & breastfeeding

Targets:

  • Excess oil
  • Redness
  • Breakouts & blemishes

Awards & Features

  • Cosmopolitan Award
  • Glamour Feature

Niacinamide for beginners: Why 10% is the perfect starting point

New to niacinamide skincare? You're in the right place. Our 10% concentration is specifically designed for niacinamide beginners and all skin types - even sensitive skin.Unlike harsher blemish treatments that can cause dryness and irritation, niacinamide (vitamin B3) works gently to regulate oil production at the source. The result? Visibly clearer skin and refined pores without the redness or flaking.

Perfect for:

  • First-time niacinamide users

  • Sensitive or reactive skin

  • Combination skin with t-zone oiliness

Compare with...

This product
10% Niacinamide Serum

10% Niacinamide Serum

€10,00
4.5
Rated 4.5 out of 5 stars
4.5 Stars (703 Reviews)
  • •Reduces excess oil, blemishes and redness
  • •10% Niacinamide.
  • •For normal to oily skin with uneven skin tone

20% Niacinamide Serum

€17,00
4.2
Rated 4.2 out of 5 stars
4.2 Stars (302 Reviews)
  • •Balances excess oil
  • •20% Niacinamide
  • •For blemish prone skin with uneven skin texture

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  • Before and after showing results of 10% Niacinamide Serum
    Zaklina uses Fulvic Acid Cleanser with Niacinamide Serum, Tranexamic Acid Serum and Vitamin BCE Moisturizer. “You took my skin (and face) to another level! Thank you INKEY List.”

    Zaklina

  • Before and after showing results of 10% Niacinamide Serum
    "This is after just a couple of months using The INKEY List... I couldn't not show you. I had tried everything before and nothing ever helped!"

    Tina C

  • Before and after showing results of 10% Niacinamide Serum
    Aysu started using Niacinamide Serum in her routine to improve her skin. After 2 months of use, her redness and breakouts have reduced.

    Aysu

  • Before and after showing results of 10% Niacinamide Serum
    Mia is a loyal INKEY List customer, using Salicylic Acid Cleanser in her routine along with Succinic Acid Treatment, Mandelic Acid Treatment, Retinol Serum and Niacinamide Serum.

    Mia M

  • Before and after showing results of 10% Niacinamide Serum
    Shannon shared her skin journey with her TikTok followers. She used Omega Water Cream AM and PM to improve her skin barrier, alongside Beta Hydroxy Acid Serum, Niacinamide Serum, Salicylic Acid Cleanser and Succinic Acid Treatment to tackle her breakouts.

    Shannon

  • Before and after showing results of 10% Niacinamide Serum
    'I’ve always found it hard to find a routine to manage my dry but acne prone skin. These products helped reduce my inflammation, whilst also keeping my skin really hydrated and glowing.' @ charlotterowe26

    Charlotte

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
    2 days 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
    2 days 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
    1 week 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.