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Ingredients in Niacinamide Serum
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10% Niacinamide Serum

Targets acne, oil control and pore minimization

4.6
Rated 4.6 out of 5 stars
4.6 Stars (764 Reviews)
$10.50 / 30ml

Choose your FREE full size mystery gift at cart when you spend $50

What you get: A lightweight 10% Niacinamide serum that targets excess oil, reduces blemishes, and minimizes the appearance of pores for visibly clearer skin. 

Why it works: 10% Niacinamide regulates oil production and calms blemishes, while Hyaluronic Acid delivers lightweight hydration for balanced, clearer-looking 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 moisturizer, 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

Niacinamide for beginners: Why 10% is the perfect starting point

New to niacinamide skincare? You're in the right place. Our 10% concentration is specifically designed for niacinamide beginners and all skin types - even sensitive skin.Unlike harsher blemish treatments that can cause dryness and irritation, niacinamide (vitamin B3) works gently to regulate oil production at the source. The result? Visibly clearer skin and refined pores without the redness or flaking.

Perfect for:

  • First-time niacinamide users

  • Sensitive or reactive skin

  • Combination skin with t-zone oiliness

Shipping info

Standard tracked shipping

  • $5.95 or FREE on orders over $35. (2-5 business days*)

Express tracked shipping

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

*Find out more about shipping here.

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This product

Have you tried?

This product

10% Niacinamide Serum

10% Niacinamide Serum

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

or

Have you tried?

Beta Hydroxy Acid (BHA) Serum

Beta Hydroxy Acid (BHA) Serum

  • • Unclogs pores and exfoliates dead skin cells
  • • 2% Salicylic Acid (BHA)
  • • For acne-prone skin with blackheads and congestion

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  • Before and after showing results of 10% Niacinamide Serum
    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 showing results of 10% Niacinamide Serum
    "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 showing results of 10% Niacinamide Serum
    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 showing results of 10% Niacinamide Serum
    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 showing results of 10% Niacinamide Serum
    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 showing results of 10% Niacinamide Serum
    '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 764 reviews
Total 5 star reviews: 564 Total 4 star reviews: 128 Total 3 star reviews: 39 Total 2 star reviews: 11 Total 1 star reviews: 22
Reviews Summary
Customers say this serum has a lightweight, non-sticky texture that absorbs quickly into skin. Many users report it helps control oiliness, reduces redness, and minimizes the appearance of pores. Frequent comments address its effectiveness for breakouts and improving skin texture. Several customers mention using it consistently for years and becoming repeat purchasers. While most praise its gentle formula suitable for sensitive skin, some note it can feel tacky or cause irritation. A few users mention concerns about recent formula changes affecting smell and consistency.
764 reviews
  • Beatrice F.
    Verified Buyer
    Reviewing
    10% Niacinamide Serum
    I recommend this product
    Age Range 18 - 24
    Skin Type Normal
    Skin Concerns Breakouts, Dehydration, Acne Scars, Under Eye Circles
    Have you purchased an INKEY List product before? Yes
    How long have you used this product for? 1-3 weeks
    Sensitive Skin Suitability Suitable for my sensitive skin
    Rated 5 out of 5 stars
    1 week ago
    Great product

    Felt really nice to use, skin felt brighter

  • M
    Verified Reviewer
    Reviewing
    10% Niacinamide Serum
    I do not recommend this product
    Have you purchased an INKEY List product before? Yes
    How long have you used this product for? 1 month - 3 months
    Sensitive Skin Suitability Not suitable for my sensitive skin
    Rated 1 out of 5 stars
    1 month ago
    Bad

    I get horrible redness after using

    IU Profile picture for INKEY USA
    INKEY USA
    1 month ago

    Thank you so much for taking the time to share your honest feedback about our 10% Niacinamide Serum, M.

    We're truly sorry to hear about your experience with redness after using our product - this is absolutely not the experience we want any of our customers to have. We completely understand why you had to discontinue use, and your decision to prioritise your skin's wellbeing was absolutely the right choice.

    We take your experience very seriously, and we genuinely appreciate you sharing these important details about how the product affected your skin. Your feedback is incredibly valuable to us and helps us understand how we can improve.

    We'd love for you to reach out to our askINKEY Team, as we would greatly appreciate the opportunity to understand your experience further and explore how we can support you 🖤

  • Laura G.
    Verified Buyer
    Reviewing
    10% Niacinamide Serum
    I recommend this product
    Age Range 35 - 44
    Skin Type Combination
    Skin Concerns Fine Lines and Wrinkles, Damaged Skin Barrier, Plumping, Dehydration, Texture
    Have you purchased an INKEY List product before? Yes
    How long have you used this product for? 3 months +
    Sensitive Skin Suitability Suitable for my sensitive skin
    Rated 5 out of 5 stars
    1 month ago
    Improved my skin

    Since using this I've noticed less spots and my skin is slightly less oily. Will reorder again for sure