Actives & Treatments
The Ordinary Azelaic Acid Suspension 10% review
Real azelaic acid at the lowest price anywhere, in a texture people either tolerate or hate.
By Michael W. · Last updated
The short answer
Actual azelaic acid at 10%, fragrance-free, for less than most cleansers cost. The silicone base gives it a grippy primer-like feel that divides people completely - and that texture, not the acid, is why most people abandon it.
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This is the cheapest way to find out whether azelaic acid works for you, and azelaic acid is the over-the-counter active with the strongest case for rosacea. That combination makes it one of the more genuinely useful products on this site.
What is in it
Eighteen ingredients, with azelaic acid at 10% fourth on the list - real azelaic acid, not the potassium azeloyl diglycinate derivative that several competitors use. No fragrance, no essential oils.
- Azelaic acid 10% - the active, at the highest strength available without a prescription in the US
- Isodecyl neopentanoate and dimethicone - the suspension base, and the source of the texture
- Dimethyl isosorbide - a penetration enhancer
- Polysilicone-11, isohexadecane - more silicones, for the smooth application
- Tocopherol - vitamin E
- Phenoxyethanol, chlorphenesin - preservatives
It is a suspension rather than a solution, which is why the bottle says shake and why the texture is what it is. Azelaic acid is poorly soluble, so suspending it in silicone is the practical route to a stable 10%.
The texture, which is the real issue
It applies like a thin primer - smooth at first, then grippy as the silicones set. It can pill under sunscreen, particularly a mineral one, and particularly if you apply either too soon after the other.
This is the reason most people stop using it, more than the stinging. If you dislike silicone textures you will dislike this, and Naturium's derivative-based serum is the alternative - watery, no grip, and a thinner evidence base behind the ingredient.
The stinging
Expect it for about the first week. A brief sting that fades within a minute or two of application, easing across several days, is the normal pattern with azelaic acid and is not a reason to stop.
What is a reason to stop: stinging that intensifies rather than eases, stinging that lasts more than a few minutes, or any visible reaction beyond mild transient pinkness. Those are different from adjustment.
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 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 | |
| 2 |  Naturium Azelaic Topical Acid 10% This uses potassium azeloyl diglycinate, a water-soluble azelaic derivative, not azelaic acid itself. | A lightweight azelaic serum with no silicone drag | 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. 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%.
2. A lightweight azelaic serum with no silicone drag
Naturium Azelaic Topical Acid 10%
Illustrative photo - not the product.
This uses potassium azeloyl diglycinate, a water-soluble azelaic derivative, not azelaic acid itself. The texture is far nicer. It also contains niacinamide, which changes who it suits.
What is in it
- Potassium azeloyl diglycinate
- Niacinamide
- Ethyl ascorbic acid
- Sodium hyaluronate
Best for
A lightweight azelaic serum with no silicone drag
Strengths
- Light, watery texture with none of the silicone grip
- Sodium hyaluronate and glycerin keep it comfortable
- No added fragrance
- Layers under sunscreen cleanly
Trade-offs
- A derivative, not azelaic acid - do not assume equivalence to a 10% acid
- Contains niacinamide and ethyl ascorbic acid, two more variables
Who should skip it: Skip if you are trying to isolate one variable, or if niacinamide flushes you - this has several actives at once.
Ingredient list read at INCIDecoder - Naturium Azelaic Topical Acid 10%.
How to introduce it
- 1Patch test five days in front of the ear.
- 2Twice a week, at night, over moisturizer for the first fortnight.
- 3Every other night for the next fortnight, if week two was uneventful.
- 4Daily, if you get there. Many people stay at every other night permanently, which is a fine outcome.
- 5Eight to twelve weeks before judging whether it worked.
Who should buy it
- Anyone with papules or pustules alongside redness
- Anyone who wants to test azelaic acid without spending much
- People who do not mind silicone textures
Who should not
- Anyone currently flaring - actives are for calm skin
- Anyone who has found silicone textures pill under everything
- Anyone looking for a fast result. This is an eight-to-twelve-week product
How we reviewed it
By reading the published ingredient list, confirming it contains azelaic acid rather than a derivative, and setting it against the alternatives. No lab, no controlled trial, no first-hand-use claim. Method at how we choose.
Questions people ask
Is The Ordinary Azelaic Acid good for rosacea?
It is the cheapest way to try the over-the-counter active with the strongest case for rosacea - real azelaic acid at 10%, fragrance-free. The silicone texture divides people, and that is the usual reason it gets abandoned.
Why does The Ordinary Azelaic Acid pill under sunscreen?
The silicone suspension needs time to set. Give it ten full minutes before anything goes on top, or use it at night only. Most pilling is a timing problem rather than a product incompatibility.
How long does The Ordinary Azelaic Acid take to work?
Eight to twelve weeks of consistent use before judging it. Papules often settle first, around weeks three to six; redness change, if it comes, is later.
Should it sting?
A brief sting for the first week is the expected pattern, easing across several days. Stinging that intensifies, lasts more than a few minutes, or comes with a visible reaction is different and is a reason to stop.
Is 10% azelaic acid strong enough?
It is the highest strength available over the counter in the US. Prescription formulations run 15-20% and are more effective for papulopustular rosacea - which is a reason to see a clinician if 10% does not do enough, rather than a reason to skip it.