25% OFF EVERYTHING! Shop now >

Get an extra 10% off* over £30 with code SURPRISE10

Bestselling Intro Routines now 35% OFF! Shop Now >

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 (617 Reviews)
£7.50 £10.00 / 30ml

Extra 10% off* over £30 with code SURPRISE10

Loading…

A lightweight, power-packed Niacinamide Serum that can be easily layered into your skincare routine.

Containing 10% Niacinamide this naturally occurring B3 vitamin helps to effectively reduce excess oil, blemishes and redness. This anti-blemish serum has a thin consistency and is formulated with 1% Hyaluronic Acid for added hydration and effective delivery.

Suitable for:

  • All Skin Types
  • Sensitive Skin

Targets:

  • Excess Oil
  • Redness
  • Breakouts & Blemishes

Proud to be:

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

Awards & Features

Cosmopolitan Award
Stylist Magazine Award
Glamour

Delivery info

Standard tracked delivery (Royal Mail)

£3.99
(2-5 working days*)

FREE standard tracked delivery on orders over £30

Express tracked delivery (Royal Mail)

£5.95 (Up to 2 working days if ordered before 4pm, excluding weekends*)

FREE express tracked delivery on orders £50+

*Find out more about Delivery here.

Track the status of your parcel with
our trusted couriers

Compare with...

This product

Have you tried?

This product

Niacinamide Serum

Niacinamide Serum

  • •Contains 10% Niacinamide to help effectively reduce excess oil, blemishes and redness.
  • •Formulated with 1% Hyaluronic Acid for added hydration and effective delivery.

or

Have you tried?

Excess Oil Solution

Excess Oil Solution

  • •Formulated with 20% Niacinamide to balance excess oil and improve skin texture.
  • •Contains our highest % of Niacinamide, which helps reduce excess oil production throughout the day and effectively tighten the look of enlarged pores.

Your Breakouts, Analyzed

Start understanding your Breakouts. Try our NEW Breakout Analyzer Pro.

Start Analysis arrow
  • 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 617 reviews
Total 5 star reviews: 442 Total 4 star reviews: 111 Total 3 star reviews: 32 Total 2 star reviews: 12 Total 1 star reviews: 20
617 reviews
  • Tolulope I.
    Verified Buyer
    Niacinamide Serum
    Reviewing
    Niacinamide Serum
    I recommend this product
    Age Range 25 - 34
    Skin Type Normal
    Skin Concerns Hyperpigmentation, Dryness
    Sensitive Skin Friendly? Yes
    Rated 5 out of 5 stars
    7 hours ago
    Love

    I love how it sits on my face. I only use at night for now

  • Tamara L.
    Verified Buyer
    Niacinamide Serum
    Reviewing
    Niacinamide Serum
    I recommend this product
    Age Range 25 - 34
    Skin Type Oily
    Skin Concerns Plumping
    Sensitive Skin Friendly? Yes
    Rated 5 out of 5 stars
    Yesterday
    Great

    Skin feels great but no visible changes yet

  • Katherine N.
    Verified Buyer
    Niacinamide Serum
    Reviewing
    Niacinamide Serum
    I recommend this product
    Age Range 35 - 44
    Skin Type Combination
    Skin Concerns Oiliness, Breakouts, Dryness
    Sensitive Skin Friendly? Yes
    Rated 4 out of 5 stars
    2 days ago
    Niacinamide Serum

    Feels nice. Helps clear my skin.

Reviews LoadedReviews Added