Niacinamide Serum bottle on a shelf
Before and after using Niacinamide Serum
How to layer Niacinamide Serum in your routine: Step 3, treat
Amount to apply: Pea-sized amount
When to apply: AM and PM
Niacinamide Serum ingredients
Model holding a bottle of Niacinamide Serum
Model applying Niacinamide Serum to her face

Niacinamide Serum | The INKEY List

Helps visibly reduce excess oil, blemishes and redness

4.6
Rated 4.6 out of 5 stars
4.6 Stars (744 Reviews)
$10.50 / 30ml

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
Popsugar feature
Glamour Feature

Shipping info

Standard tracked shipping

  • $5.95 or FREE on your first order & orders over $35
  • (2-5 business days*)

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  • $15
  • (2-3 business days*, when ordered before 3pm EST)

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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 Moisturizer. “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

  • 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

4.6
Rated 4.6 out of 5 stars
Based on 744 reviews
Total 5 star reviews: 549 Total 4 star reviews: 126 Total 3 star reviews: 37 Total 2 star reviews: 11 Total 1 star reviews: 21
Reviews Summary
Customers say this serum has a light, silky texture that absorbs well into the skin. Many users report reduced oiliness, especially in the T-zone area. The product receives praise for minimizing the appearance of pores and evening out skin texture. Long-term users mention consistent results with regular use, with many on their third or fourth bottle. While most find it gentle, a few note it didn't suit their skin type. Common feedback includes its effectiveness for combination skin types and its non-sticky formula. Reviews highlight its compatibility with other skincare products.
744 reviews
  • 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
    2 hours ago
    love it

    nice consistency, really helped my complexion!!

  • Alicia
    Verified Buyer
    Reviewing
    Niacinamide Serum
    Age Range 35 - 44
    Skin Type Combination
    Skin Concerns Redness, Dryness, Hyperpigmentation, Acne Scars, Oiliness
    Sensitive Skin Friendly? Yes
    Rated 3 out of 5 stars
    18 hours ago
    Not for me

    Personally I didn't feel that this did anything for me. I tried it to try and tackle excess oil since I was wearing makeup every day to the office. It could just have been the combo of this with the makeup I was wearing or maybe my whole skin routine wasn't blending well together. But I didn't see much of a difference with this one as I do with other products. I personally would not buy again.

  • Petra H.
    Verified Buyer
    Reviewing
    Niacinamide Serum
    I recommend this product
    Age Range 35 - 44
    Skin Type Combination
    Skin Concerns Fine Lines and Wrinkles, Puffiness, Hyperpigmentation, Oiliness, Breakouts
    Sensitive Skin Friendly? Yes
    Rated 5 out of 5 stars
    23 hours ago
    Good serum, not sticky

    This serum is not sticky like all other niacinamide serums I tried. I guess it works well. It´s not though totally matt for use under makeup for oily skin.