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Niacinamide Duo Shot
How to layer Niacinamide Serum in your routine
Before & After of customer using Niacinamide Serum
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 Duo | The INKEY List

Power packed duo for reducing excess oil, blemishes and redness

4.5
Rated 4.5 out of 5 stars
4.5 Stars (655 Reviews)
£14.00 £20.00 / 2 full-size products

UP TO 30% OFF SETS & BUNDLES! LIMITED TIME ONLY.

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Introducing our dynamic duo of lightweight Niacinamide Serums, power-packed and effortlessly layered into your skincare routine to combat excess oil and redness.

Formulated with 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, leaving your skin smoother and radiant.

This duo includes: 2x Niacinamide Serums (15ml)

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

Awards & Features

Cosmopolitan Award
Stylist Magazine Award
Glamour Award

Delivery info

Standard tracked delivery (Royal Mail)

FREE on all orders
(2-5 working days*)

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.

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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 routine along with Succinic Acid Treatment, Mandelic Acid Treatment, Retinol Serum and Niacinamide Serum.

    Mia M

  • Before and after comparison
    Shannon shared her myINKEY 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

4.5
Rated 4.5 out of 5 stars
Based on 655 reviews
Total 5 star reviews: 468 Total 4 star reviews: 116 Total 3 star reviews: 36 Total 2 star reviews: 12 Total 1 star reviews: 23
655 reviews
  • Sophie H.
    Verified Buyer
    Niacinamide Serum
    Reviewing
    Niacinamide Serum
    I recommend this product
    Age Range 25 - 34
    Skin Type Oily
    Skin Concerns Texture, Redness, Oiliness, Acne Scars, Breakouts
    Sensitive Skin Friendly? Yes
    Rated 4 out of 5 stars
    3 minutes ago
    Helping to control my oily skin, redness & large pores!

    I used to use this in the morning and wasn't a fan as it didn't sit well under make up. I now use after cleansing in the evening, before applying the azelaic acid. I suffer with large pores, texture and redness from rosacea and have found that in the last month sticking to a consistent skincare routine and using an LED mask alongside it I've begun noticing an improvement in my rosacea for the first time in years!

  • Louise H.
    Verified Buyer
    Niacinamide Serum
    Reviewing
    Niacinamide Serum
    I recommend this product
    Age Range 35 - 44
    Skin Type Combination
    Skin Concerns Dryness, Redness, Plumping, Breakouts, Fine Lines and Wrinkles
    Sensitive Skin Friendly? Yes
    Rated 5 out of 5 stars
    5 days ago
    Redness and breakout saviour.

    This has definitely helped reduce my hormonal breakouts. The picture was taken during a time they'd normally be noticeable, but no, instead I have nice, mostly clear skin.

  • Lynnemichelle S.
    Verified Buyer
    Niacinamide Serum
    Reviewing
    Niacinamide Serum
    I recommend this product
    Age Range 18 - 24
    Skin Type Combination
    Skin Concerns Breakouts, Dryness, Redness, Blackheads
    Sensitive Skin Friendly? Yes
    Rated 5 out of 5 stars
    1 week ago
    Amazing

    Has been great for my sink all other products give me chemical burns. I tool the test to see what products beat suit my skin and have been amazed

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