Actives & Treatments
Is niacinamide good for rosacea?
For most people yes, for some no, and your own history settles it.
By Michael W. · Last updated
The short answer
For most people, yes - it supports the barrier and has reasonable evidence for redness. For a minority it causes flushing, and that group is large enough to matter. If you have flushed from it before, that history outranks every general recommendation including this one.
Some links on this page are affiliate links. If you buy through one, we may earn a commission at no extra cost to you - it is what funds the site. It does not change what gets recommended or in what order. Full disclosure.
Two statements are true at the same time. Niacinamide is well studied for barrier function and redness, which is why formulators aiming at rosacea reach for it. And niacinamide triggers flushing in some people with rosacea, reliably and reproducibly.
Most articles pick one of those and write around it. The useful version of this answer is that both are true and only a test on your own skin resolves it.
The case for it
- Barrier support. Niacinamide is involved in ceramide synthesis, so it helps skin build its own lipids rather than only supplying them from outside.
- Anti-inflammatory activity, which is the direct rationale for the redness claim.
- Sebum regulation, useful where rosacea coexists with breakouts.
- Pigmentation - it slows melanin transfer, relevant for post-inflammatory marks.
- Well tolerated by most people, at low concentrations, with no stinging.
The case against it, for some people
Niacinamide can produce flushing. The mechanism most often proposed relates to nicotinic acid - a related compound famous for causing flushing - and to trace conversion or contamination, though the picture is not settled.
What matters practically is the pattern: warmth and visible reddening within roughly half an hour of application, reproducible across applications. That is distinct from the slow-building irritation you get from an acid, and it is usually unmistakable once you know to look for it.
How to find out which applies to you
- 1Eliminate it completely for two weeks. Check every product - cleanser, moisturizer, sunscreen, serum. It is in more than you think.
- 2Keep everything else identical. One variable.
- 3Note your flushing pattern - frequency and intensity, written down, not remembered.
- 4Reintroduce one low-concentration product, 4-5%, twice a week at night.
- 5Watch the first hour after application. A flushing response is prompt and fairly obvious.
- 6Give it a month before concluding it is fine.
The screen
Every product on this page had to clear all of the following before it was considered on its merits. This is the exclusion step, and it runs before any recommendation.
- No added fragrance or parfum anywhere in the ingredient list.
- No essential oils, including ones declared under a botanical name.
- No denatured alcohol, witch hazel, menthol, camphor or peppermint.
- No physical scrub particles.
- Sold in the US right now, from a brand that publishes its full ingredient list.
- Every remaining flagged ingredient is named on the product card rather than quietly left out.
Ingredient lists last checked 2026-09-29. Formulas change - if you spot a discrepancy, the published list on the brand's own site wins and we want to know.
Quick picks
Every product here cleared the screen. Tap a row for the full write-up.
| # | Product | Best for | Fragrance | Price |
|---|---|---|---|---|
| 1 |  The Ordinary Niacinamide 10% + Zinc 1% Twelve ingredients, no fragrance, niacinamide at 10%. | Testing whether niacinamide suits you, cheaply | Free | |
| 2 |  Purito Centella Unscented Serum Centella asiatica extract at 49%, plus the three isolated centella actives, in a fragrance-free base. | Centella at a concentration that is actually doing something | Free | |
| 3 |  The Ordinary Azelaic Acid Suspension 10% Actual azelaic acid at 10%, fragrance-free, for less than most cleansers cost. | True azelaic acid at the lowest price | Free |
#ad - Amazon links are affiliate links. We do not publish prices, because we have no live price feed and will not print a number we cannot verify.
The picks, in order
1. Testing whether niacinamide suits you, cheaply
The Ordinary Niacinamide 10% + Zinc 1%
Illustrative photo - not the product.
Twelve ingredients, no fragrance, niacinamide at 10%. Ten percent is a high starting dose for reactive skin - if you are testing tolerance, a 4-5% product is the smarter first try.
What is in it
- Niacinamide 10%
- Zinc PCA 1%
Best for
Testing whether niacinamide suits you, cheaply
Strengths
- Twelve ingredients, no fragrance or essential oils
- Very low cost for a 30ml bottle
- Zinc PCA for oil control alongside
Trade-offs
- 10% is a high dose to start on if you have never used niacinamide
- The gum base can pill under some sunscreens
Who should skip it: If you have flushed from niacinamide before, skip it entirely - a high-percentage product is the worst place to retest.
Ingredient list read at INCIDecoder - The Ordinary Niacinamide 10% + Zinc 1%.
2. Centella at a concentration that is actually doing something
Purito Centella Unscented Serum
Illustrative photo - not the product.
Centella asiatica extract at 49%, plus the three isolated centella actives, in a fragrance-free base. Most centella products use a trace amount; this one does not. It also contains niacinamide.
What is in it
- Centella asiatica extract 49%
- Asiaticoside, asiatic acid, madecassic acid
- Ceramide NP
- Niacinamide
Best for
Centella at a concentration that is actually doing something
Strengths
- 49% centella extract plus asiaticoside, asiatic acid and madecassic acid
- Ceramide NP and sodium hyaluronate in the base
- No added fragrance - the 'unscented' in the name is accurate
- Light serum texture
Trade-offs
- Contains niacinamide
- A long ingredient list with several peptides and plant extracts
Who should skip it: If you are in the middle of a flare and stripping back to essentials, a 30-ingredient serum is the wrong move - come back to it when things are calm.
Ingredient list read at INCIDecoder - Purito Centella Unscented Serum.
3. True azelaic acid at the lowest price
The Ordinary Azelaic Acid Suspension 10%
Illustrative photo - not the product.
Actual azelaic acid at 10%, fragrance-free, for less than most cleansers cost. The silicone base gives it a grippy, primer-like feel that people either tolerate or hate - there is no middle.
What is in it
- Azelaic acid 10%
- Dimethicone
- Tocopherol
Best for
True azelaic acid at the lowest price
Strengths
- Real azelaic acid at 10%, not a derivative
- No fragrance or essential oils
- The cheapest way to try azelaic acid
- Works under makeup like a primer
Trade-offs
- The silicone texture pills under some sunscreens
- Can sting for the first week - that is expected and usually settles
Who should skip it: If silicone textures bother you, a derivative-based serum will feel much better on skin.
Ingredient list read at INCIDecoder - The Ordinary Azelaic Acid Suspension 10%.
What concentration, if you tolerate it
| Concentration | Verdict for rosacea-prone skin |
|---|---|
| 2-5% | Where most of the evidence sits. The sensible range |
| 10% | The common serum strength. A high dose to start on |
| 20% | No rationale here. Irritation risk rises, benefit does not |
If it is not for you
Azelaic acid is the better-evidenced alternative for rosacea redness anyway, particularly if you have papules. Centella is the gentler option with a lower ceiling. Neither carries a flushing risk, and the comparison is at azelaic acid vs niacinamide.
Questions people ask
Is niacinamide good for rosacea?
For most people yes - it supports the barrier and has reasonable evidence for redness. For a minority it causes flushing. Your own history with it is far more reliable than any general answer, including this one.
Can niacinamide cause flushing?
Yes, in some people. The pattern is warmth and visible reddening within about half an hour of application, reproducible across applications - distinct from the slower irritation an acid produces.
Which rosacea products contain niacinamide?
More than most people realize. EltaMD UV Clear, CeraVe 100% Mineral Sunscreen, Cetaphil Gentle Skin Cleanser, and La Roche-Posay's Toleriane cleanser and moisturizer all contain it. The ingredient list is the only reliable check.
What percentage of niacinamide is safe for rosacea?
2-5% is where most of the evidence sits and is the sensible range for reactive skin. 10% is the common serum strength and a high starting dose. 20% has no rationale here at all.
What should I use instead if niacinamide flushes me?
Azelaic acid, which has better evidence for rosacea redness anyway and carries no flushing risk - particularly if you have papules. Centella is the gentler, lower-ceiling alternative.