Niacinamide Serum bottle
Before & After of customer using Niacinamide Serum
How to layer Niacinamide Serum in your routine
Apply pea sized amount
Apply AM & PM
Key ingredients in Niacinamide Serum
Model with Niacinamide Serum
Model with Niacinamide Serum on her face

Niacinamide Serum | The INKEY List

Helps visibly reduce excess oil, blemishes and redness

4.5
Rated 4.5 out of 5 stars
4.5 Stars (712 Reviews)
£10.00 / 30ml

Buy 2 get one FREE! Use code 3FOR2

WHAT YOU GET: A lightweight, hard-working serum for glowing skin. Powered by Niacinamide for calmer and more even looking complexion. 

WHY IT WORKS: 10% Niacinamide reduces the appearances of excess oil, blemishes and redness. Hyaluronic Acid hydrates and soothes 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
Stylist Magazine Award
Glamour

Delivery info

Standard tracked delivery (Evri)

  • £3.99 or FREE on your first order & orders over £30
  • (2-5 working days*) 

Express tracked delivery (Evri)

  • £5.95 or FREE on orders £50+
  • (Up to 2 working days if ordered before 8pm, excluding weekends*)

*Find out more about delivery options and delivery area restrictions here.

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Compare with...

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Niacinamide Serum

Niacinamide Serum

  • •Reduces excess oil, blemishes and redness
  • •10% Niacinamide.
  • •For normal to oily skin with uneven skin tone

or

Have you tried?

20% Niacinamide Serum

20% Niacinamide Serum

  • •Balances excess oil
  • •20% Niacinamide
  • •For blemish prone skin with uneven skin texture

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

    Zaklina

  • Before and after comparison
    "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 comparison
    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 comparison
    Mia is a loyal INKEY customer, using Salicylic Acid Cleanser in her recipe along with Succinic Acid Treatment, Mandelic Acid Treatment, Retinol Serum and Niacinamide Serum.

    Mia M

  • Before and after comparison
    Shannon shared her INKEY Insiders 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 comparison
    '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 712 reviews
Total 5 star reviews: 514 Total 4 star reviews: 124 Total 3 star reviews: 38 Total 2 star reviews: 12 Total 1 star reviews: 24
Reviews Summary
Customers say this serum has a light, silky texture that absorbs well into the skin. Many reviews mention reduced oiliness, especially in the T-zone area. Users note improvements in skin texture and appearance of pores. The serum receives praise for its gentle formula, with several mentioning they've been repeat purchasers for years. While most find it effective, some note recent formula changes affecting texture and absorption. Common feedback includes its effectiveness for combination skin types and easy incorporation into daily routines. Reviews particularly highlight its soothing properties when used before other products.
712 reviews
  • Libby
    Verified Reviewer
    Reviewing
    Niacinamide Serum
    I recommend this product
    Age Range 18 - 24
    Skin Type Combination
    Skin Concerns Redness, Texture
    Sensitive Skin Friendly? Yes
    Rated 5 out of 5 stars
    3 days ago
    Super effective & lightweight!

    Great for my sensitive skin- other niacinamide serums I've tried have had added products that irritated my skin, but this was perfect. No weird residue left and is super lightweight and feels great on the skin. Saw results after 2-3 days of use.

  • Emily A.
    Verified Buyer
    Reviewing
    Niacinamide Serum Duo
    I recommend this product
    Rated 5 out of 5 stars
    3 days ago
    Trusty

    Trusty & reliable.

  • Irene F.
    Verified Buyer
    Reviewing
    Niacinamide Serum
    I recommend this product
    Age Range 18 - 24
    Skin Type Oily
    Skin Concerns Breakouts, Oiliness, Acne Scars
    Sensitive Skin Friendly? No
    Rated 5 out of 5 stars
    1 week ago
    love it

    nice consistency, really helped my complexion!!