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2 Niacinamide Serums on 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 Duo | The INKEY List

Power packed duo for reducing excess oil, blemishes and redness

4.6
Rated 4.6 out of 5 stars
4.6 Stars (708 Reviews)
$19.00 $20.00 / 2 full-size products
Introducing our powerful duo of lightweight Niacinamide Serums, designed to effortlessly tackle excess oil and redness while seamlessly fitting into your skincare routine.

Formulated with 10% Niacinamide, a naturally occurring B3 vitamin, this serum works to reduce blemishes, control oil production, and calm redness. With a thin, fast-absorbing formula and the added benefit of 1% Hyaluronic Acid, it provides essential hydration while delivering targeted results, leaving your skin smoother and radiant.

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

Suitable for:

  • 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
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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4.6
Rated 4.6 out of 5 stars
Based on 708 reviews
Total 5 star reviews: 519 Total 4 star reviews: 122 Total 3 star reviews: 36 Total 2 star reviews: 11 Total 1 star reviews: 20
Reviews Summary
Customers say this serum has a lightweight, smooth texture that absorbs quickly into skin. Many reviews mention reduced oiliness, especially in the T-zone area. The product helps with skin texture and appearance, with frequent comments about its effectiveness for redness. Users note it works well as part of their skincare routine, though some suggest letting it dry completely before applying other products. While most find it gentle, a few mention it may not suit very sensitive skin. Many reviewers are repeat purchasers, with several mentioning they're on their third or fourth bottle.
708 reviews
  • Lin W.
    Verified Buyer
    Reviewing
    Niacinamide Serum
    I recommend this product
    Age Range 35 - 44
    Skin Type Normal
    Skin Concerns Fine Lines and Wrinkles, Texture, Hyperpigmentation
    Sensitive Skin Friendly? Yes
    Rated 4 out of 5 stars
    Yesterday
    Not a bad product

    I have started using it for two weeks now and have seen some improvement.

  • Tiina M.
    Verified Buyer
    Reviewing
    Niacinamide Serum
    I recommend this product
    Age Range 55 - 64
    Skin Type Combination
    Skin Concerns Redness, Dryness, Under Eye Circles
    Sensitive Skin Friendly? Yes
    Rated 5 out of 5 stars
    6 days ago
    Awesome

    My skin is enjoying this serum.

  • ATHI
    Verified Buyer
    Reviewing
    Niacinamide Serum
    Age Range 25 - 34
    Skin Type Combination
    Skin Concerns Hyperpigmentation, Fine Lines and Wrinkles
    Sensitive Skin Friendly? Yes
    Rated 3 out of 5 stars
    1 week ago
    Non male

    Rispetto ad altri marchi mi piace molto di più. Buon prodotto ma non lo trovo essenziale per la mia routine