Best Niacinamide Serum: 6 Popular Picks Compared

The best niacinamide serum is a simple, fragrance-free one at a strength your skin tolerates. For oily, resilient skin on a budget, The Ordinary Niacinamide 10% + Zinc 1% or Good Molecules Niacinamide Serum is the obvious start. For texture and dark marks, look at Neutrogena Stubborn Texture; for mixing into moisturizer, Paula's Choice 10% Niacinamide Booster. For sensitive skin, lower is usually better.

Whichever you pick, you can scan its barcode or label with the ingredient scanner in Pori to see how each ingredient is flagged for your skin type.

Below we compare the serums on concentration, texture and irritation risk, and explain why 5% can beat 10% for some skin. This is an ingredient-and-evidence comparison based on brand pages and published studies, not a hands-on test.

How do the top niacinamide serums compare?

Most widely sold niacinamide serums sit at 10%, and the real differences are what's paired with it and what the base feels like. Here's what each brand states on its own product page as of October 2026.

Prices change often, so check the retailer before buying. Formulas also change, so the label on the box you buy is the final word.

Is 5% or 10% niacinamide better?

For most people, 5% is enough, and 10% isn't proven to work better. The clinical trials behind niacinamide's reputation used lower doses: 2% for oil, 4% for inflammatory acne and 5% for tone, blotchiness and fine lines over 12 weeks. Cleveland Clinic notes that most skin care products contain 5% or less niacinamide and recommends that people with reactive skin start with a weaker formula.

Higher strength isn't free. In a 60-day melasma trial of a gel combining 10% nicotinamide with vitamin C and hyaluronic acid, 29% of users reported mild itching lasting a few minutes at day 14. It resolved without treatment, and the gel was a combination product, but it's a reminder that 10% can be noticeable on the face. Our guide to niacinamide benefits goes through each trial in more detail.

Which niacinamide serum is best for oily skin?

The Ordinary Niacinamide 10% + Zinc 1% is the best value for oily skin. The Ordinary's product page positions it for blemish-prone skin, visible shine and congestion, lists a pH of 5.00 to 6.50 and says it tested non-comedogenic in a 35-person, 8-week study. The formula is short and fragrance-free. Its main drawbacks are pilling under some sunscreens and primers, which comes down to its gum thickeners, and the fact that the zinc has no published data of its own in this product. We cover both in our full review of The Ordinary Niacinamide.

Neutrogena Stubborn Texture is the alternative if bumps and marks bother you as much as shine. Neutrogena's product page lists 10% niacinamide with 4% Neoglucosamine, calls it non-comedogenic and fragrance-free, says it's designed for oily, acne-prone skin and suitable for sensitive skin, and claims a more even-looking complexion in 2 weeks. The directions say to apply it daily to the face and neck in your morning routine. Despite Neutrogena's "resurfacing" language, the ingredient list contains no AHA or BHA; the texture claim rests on acetyl glucosamine and niacinamide.

Either one belongs in a short routine with a gentle cleanser, a light moisturizer and sunscreen; our oily skin routine lays that out.

Which niacinamide serum is best for sensitive skin?

For sensitive skin, the best choice is often a lower-strength niacinamide, or a 10% serum used sparingly or diluted. Every serum in the table is 10%, so if your skin stings, flushes or itches easily, consider these approaches:

1. Look for 2% to 5%. Cleveland Clinic notes that most products contain 5% or less, which is the range the trials used, and moisturizers with niacinamide are an easy way to get it. Check that the percentage is stated, and favor fragrance-free formulas.
2. Dilute a 10% serum. Paula's Choice's FAQ suggests mixing a few drops of its booster into a non-SPF moisturizer or serum, or patch testing it in a small area first. The same trick works with any water-based niacinamide serum.
3. Start slowly. Use it once a day, or every other day, for the first two weeks before moving to twice daily.
4. Patch test. Cleveland Clinic suggests applying a small amount to the forearm and waiting 24 hours. Our guide on how to patch test skincare walks through a more thorough version for the face.

Of the 10% options, Neutrogena says the Stubborn Texture serum is suitable for sensitive skin, The INKEY List lists sensitive skin among the types its fragrance-free serum suits, and Paula's Choice says its booster includes soothing ingredients like allantoin, boerhavia diffusa root and licorice extract. Those are brand claims; your own patch test matters more. If you have rosacea or eczema, ask a dermatologist before adding any new active.

What's the best drugstore niacinamide serum?

The Ordinary and Good Molecules are the cheapest of the group at $6 each, and Neutrogena is the classic drugstore brand. Neutrogena's Hydro Boost+ Niacinamide Serum pairs 10% niacinamide with hyaluronic acid, is unscented and fragrance-free, and is described as suitable for all skin types and tones. Its directions are a pearl-sized amount twice daily, followed by moisturizer as needed. It's the pick if your skin is oily but also feels tight, since the hyaluronic acid and glycerin add some water-binding hydration.

Both Neutrogena serums contain dimethicone and other silicones, which gives them a smoother slip than The Ordinary's gum-based formula. That can make them easier to layer under sunscreen, although pilling depends on the exact pairing.

Is Paula's Choice 10% Niacinamide Booster worth the price?

It's worth it if you want niacinamide plus a vitamin C derivative in one step, and less so if you only want niacinamide. Paula's Choice describes the booster as a sheer, ultra-light liquid that targets uneven tone, pore size, texture and fine lines. Its FAQ says it contains 2% ascorbyl glucoside and that the booster can be layered with any product or ingredient as tolerated. At $53, it costs many times more than The Ordinary, so the extras are what you're paying for.

One practical difference: The Ordinary advises against using its niacinamide serum with its vitamin C products in the same routine, while Paula's Choice builds a vitamin C derivative into the formula. Both are following their own formulation advice; if you use separate vitamin C and niacinamide products, splitting them between morning and night is the simplest way to follow the more cautious advice.

Are The INKEY List and Good Molecules niacinamide serums any good?

Both are reasonable budget picks at 10%, and they differ mainly in what surrounds the niacinamide. The INKEY List's 10% Niacinamide Serum costs $13 for 30 ml and pairs niacinamide with hyaluronic acid; the brand's FAQ puts that at 1%. Its ingredient list also includes glycerin, panthenol, allantoin, squalane and soybean oil, so it leans more hydrating than The Ordinary's zinc formula. The brand calls it lightweight, fast-absorbing and fragrance-free, and suggests using it morning and evening after cleansing, followed by moisturizer and, in the morning, SPF. The page gives two amounts (a pea-sized amount in the directions, 2 to 3 drops in the FAQ); start with the smaller one.

Good Molecules' Niacinamide Serum is a 10% serum sold for the look of pores and uneven tone and texture, at $6 for 30 ml on the brand's site as of October 2026. We couldn't read a full ingredient list or directions on the brand page when we checked, so we haven't compared its base with the others. Read the box for fragrance, essential oils and other actives before you buy, and compare the result with the concentration guide above.

If you'd rather have one product that also hydrates, The INKEY List is the closer match to Neutrogena's Hydro Boost+. If you just want the cheapest 10% niacinamide, The Ordinary and Good Molecules cost the same.

How should you use a niacinamide serum?

Apply a few drops after cleansing and before moisturizer, once or twice a day, and finish with sunscreen in the morning. Most of the studied benefits took 4 to 12 weeks to show, so give one serum at least two months before deciding. Introduce it alone, not alongside another new product, so you can tell what caused any reaction. If you're also using retinol or acids, the order matters less than the pace: add one thing at a time.

Taking photos in the same light at the start, at week 4 and at week 8 gives you a fairer comparison than memory, especially for oil and pores, which change slowly.