Serums and Treatments · The Edit

Niacinamide Serums

Vitamin B3 serums sorted by percentage, partner actives and skin fit

Niacinamide, vitamin B3, is the rare serum ingredient that asks very little of the skin it serves. It is not an acid, it does not oxidise in the bottle the way pure vitamin C does, and it sits comfortably beside most other steps in a routine. What it is asked to do, in cosmetic terms, is broad: support the look of an even tone, refine the appearance of pores, help skin hold moisture, and calm the look of shine and redness. That breadth is exactly why the shelf is confusing. A bottle that says niacinamide can be a ten ingredient minimalist, a dark spot system with a patented second active, or a makeup hybrid whose B3 is one line in a glow formula.

This edit sorts the ingredient the way a careful shopper should: first by the percentage actually printed, then by what the brand paired with it. Zinc PCA changes who a serum suits. Salicylic acid changes its job. Melasyl, UP302 and acetyl glucosamine each pull the same vitamin toward the look of dark spots by a different route. Every serum here was verified on its live Amazon listing through an official brand channel, and every percentage quoted is one the brand itself publishes. Where a brand prints no percentage, the entry says so plainly rather than guessing.

Read the best-of guide How to choose

Paula's Choice BOOST 10% Niacinamide Booster white 20 ml dropper bottle with bright green cap — Paula's Choice BOOST 10% Niacinamide Booster: the leading pickThe Niacinamide Serums Edit

No. 1

The Leading Three

The top of the ranked guide, in brief. The full ranking sits in the best-of.

No. 1

Paula's Choice BOOST 10% Niacinamide Booster

Best Overall

The benchmark B3 booster: 10 percent niacinamide in a calm, layered formula designed to mix into a routine or stand alone.

The 10 percent booster earns the top spot by being the serum most readers can build a routine around: a printed, studied percentage, a calm supporting cast of acetyl glucosamine, licorice and panthenol, no fragrance, and a booster format that mixes or layers without negotiation. It is the reference point the rest of this list is measured against.

Suits

Almost anyone building a first serious niacinamide step: all skin types, readers who layer serums, and anyone who wants the studied middle percentage in a fragrance free formula.

Skip if

You want a single product that also exfoliates or a large bottle. This is a focused 0.67 fl oz booster with no acid in it.

Niacinamide Level: 10 percent, printed on the bottle
Key Supporting Actives: Acetyl Glucosamine, Ascorbyl Glucoside, Licorice Root Extract, Panthenol
Size: 0.67 fl oz / 20 ml
Format: Dropper booster serum, fragrance free

View on AmazonPremium listing verified: Official Paula's Choice brand content on the Amazon listing (From Paula's Choice, Paula's Choice Skincare storefront), with the full published ingredient list printed on the page.

No. 2

La Roche-Posay Mela B3 Serum

Best for the Look of Dark Spots

A dark spot system in one bottle: 10 percent niacinamide beside Melasyl, the brand's patented discoloration active.

Mela B3 pairs its printed 10 percent niacinamide with Melasyl, a patented active the brand spent 18 years developing for discoloration, plus a gentle LHA for surface renewal. For readers whose whole brief is the appearance of sun spots and post-blemish marks, no other bottle here is as single minded.

Suits

Readers whose main brief is the appearance of sun spots, age spots and post-blemish marks, and who want one pharmacy grade serum built specifically for that cosmetic goal.

Skip if

You avoid scented products. The listing describes this serum as scented, which sets it apart from most pharmacy formulas here.

Niacinamide Level: 10 percent, printed on the bottle
Key Supporting Actives: Melasyl, Capryloyl Salicylic Acid (LHA), Carnosine, Sodium Hyaluronate
Size: 30 ml / 1 fl oz
Format: Dropper serum, scented as printed on the listing
Model: LRMBSR30, as printed on the listing

View on AmazonPremium listing verified: Official La Roche-Posay brand content on the Amazon listing (From La Roche-Posay), with manufacturer L'Oreal USA S/D, INC. Active Cosmetics (LRP) and model LRMBSR30 as printed in the product details.

No. 3

Naturium Niacinamide Serum 12% Plus Zinc 2%

Best for Oily and Combination Skin

The oily skin pairing, printed in full: 12 percent niacinamide with 2 percent zinc PCA in a hygienic pump.

Twelve percent niacinamide with 2 percent zinc PCA is the most oil aware specification in this edit, and both numbers are printed on a pump bottle that costs its place in the premium tier honestly. Oily and combination skin gets a serum designed for shine and the look of congested pores, not adapted to them.

Suits

Oily and combination skin that wants niacinamide aimed at the look of congested pores and shine, with zinc PCA doing the oil aware work beside it.

Skip if

Your skin is dry and prefers richer, cushioned serums. This formula is built lean, and dry skin owners often layer a cream over it.

Niacinamide Level: 12 percent, printed on the bottle
Key Supporting Actives: Zinc PCA 2 percent, Hyaluronic Acid, Vitamin E
Size: 1 fl oz / 30 ml
Format: Pump serum, vegan and cruelty free as printed

View on AmazonPremium listing verified: Official Naturium storefront listing on Amazon (Visit the Naturium Store), sold by Amazon.com as printed on the listing, with the full formula percentages published by the brand.

See all 10 picks in the Best Niacinamide Serums 2027 guide

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