The Ordinary Azelaic Acid Suspension 10%: Dermatologist Review
The Ordinary Azelaic Acid Suspension 10% is real azelaic acid with a texture people hate. Suspended particles rather than dissolved acid means grit, pilling and a possible white cast. The ingredient works on redness, spots and marks. Give it twelve weeks; if nothing changes, ask about prescription strength.
The cheat sheetKey Facts
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| Key active | Azelaic acid 10% |
| Texture | Gritty silicone suspension |
| Best for | Rosacea, acne, dark marks — on a budget |
| Approximate price | $11–$13 |
| Fragrance | ✓None |
| Essential oils | ✓None |
| Drying alcohol | ✕Triethanolamine, Phenoxyethanol |
| Lanolin | ✓None |
The short versionWhat It Is
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The Ordinary Azelaic Acid Suspension 10% is a thick white cream-gel in a squeeze tube, about $12 — the cheapest real azelaic acid you can buy. Fragrance-free, and aimed at redness, spots and dark marks rather than moisture.
Read the name. A suspension means the acid is not dissolved; it sits as solid particles in a silicone base of dimethicone and isodecyl neopentanoate. That is why it is opaque white, why it feels gritty, and why anything you layer over it rolls into little balls.
Where it earns its keepWhat It Treats
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Don't expect miraclesNot the Best For
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How it feelsTexture
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This has the worst texture in the category, and the complaint is universal because it is accurate. It feels gritty because the acid is suspended as particles rather than dissolved.
It dries to a waxy film that can look faintly white. Sunscreen, foundation or moisturizer over it rolls into little balls. Waiting longer helps; it does not fix it.
It is fragrance-free and easy to dispense. For most people who quit it, texture is the reason, not the active.
The house rulesHow to Use The Ordinary Azelaic Acid Suspension 10%
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Where It Fits in Your Routine
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Pick what fits you and the routine rebuilds around it. The Ordinary Azelaic Acid Suspension 10% is marked in the steps it belongs to.
What's insideHow The Ordinary Azelaic Acid Suspension 10% Works
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Azelaic acid works on four problems through four actions. It blocks tyrosinase, the enzyme that starts pigment production, which fades dark marks. It damps down the inflammation that keeps rosacea red. It kills the bacteria in a blocked pore. And it slows the shedding that blocks the pore.
Rosacea is where the evidence is strongest. A large Cochrane review rated it high quality — a better grade than topical metronidazole, the drug it is usually compared against.
The gap is the dose. Almost every study behind that reputation used 15% or 20%, prescription strengths, and there is very little research at 10%. Brands settle on 10% partly because it keeps a product out of drug regulation. This is real azelaic acid at a price nothing matches. It is just the lower rung of the ladder.
Tap an ingredient to see where it works
In the pore
Azelaic acid does three things at once: loosens the plug in the pore, reduces the bacteria in it, and calms the pigment cells that leave a dark mark behind. That combination makes it useful on deeper skin tones, where the mark often outlasts the spot.
The outer layer, and the only one anything in a jar reaches. It renews itself constantly: a cell made at the bottom takes about a month to reach the surface and flake off. Most of what a skincare product does, it does here.
The cells that make pigment. They sit along the base of the epidermis and hand melanin to the cells around them, which is what gives skin its color. Dark marks, melasma and the patch left behind by a spot are all these cells making more than usual.
A narrow tube running from the surface down into the skin, with an oil gland at the bottom of it. Oil travels up and out. When the tube blocks, what is behind it has nowhere to go — which is where blackheads and spots start.
Makes sebum, the oil that keeps the surface soft and stops water escaping. How much it makes is set by hormones, not by how often you wash — which is why scrubbing does not fix oily skin.
Cutibacterium acnes lives in the pores of everyone with skin. It is not an infection and it is not a hygiene problem. It only causes trouble when a pore blocks and it multiplies in the oil trapped behind it.
The scaffolding in the dermis that keeps skin firm and springy. It is built by fibroblasts and broken down by age, sun and smoking. Lines and looseness are collagen lost faster than it is replaced.
The living layer underneath, holding the blood vessels, the nerves and the collagen. It is where lasting change happens and it is hard to reach: most of what is sold for the skin never gets this far.
Short list or longNumber of Ingredients
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This is how many ingredients are on the label. The more a product contains, the more chances one of them bothers you. That matters most if you have sensitive skin, eczema, or a known allergy. If your skin tolerates most things, a long list is not a problem by itself.
17 ingredients
6 exfoliants reviewed, from Paula's Choice 2% BHA Liquid Exfoliant (8) to Peach Slices Azelaic Acid (33). Tap a dot to see which.
Full Ingredient List
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The fine printA Dermatologist’s Concerns
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The texture is gritty and pills: genuinely bad, and not a small complaint. The acid is suspended as particles in a silicone base, so it feels gritty, it pills, it leaves a waxy film, and it can leave a white cast. Those complaints are universal and accurate.
The studies used stronger strengths: the evidence for azelaic acid is not evidence for 10%. Nearly every study used 15% or 20%, the prescription strengths, and there are essentially no well-powered trials at 10%. Brands chose 10% because it keeps a product out of drug regulation, not because a study found it enough.
A prescription may be the next step: if 10% has done nothing after about 12 weeks, ask about the prescription.
May sting for the first weeks: expect stinging and itching for the first two to four weeks.
May lighten deeper skin tones: it can cause loss of pigment on deeper skin tones, which matters since it is bought for dark marks.
What it runsPrice per Ounce
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The Ordinary Azelaic Acid Suspension 10% costs $12 per ounce. That is cheaper than 4 of the other 5 exfoliants priced on Dermapedia, which run from $9.27 to $42 per ounce.
Price per ounce is a fair way to compare value, but not the whole story — a thicker product goes further per application, and an expensive active costs what it costs.
$12 per ounce
6 exfoliants priced, from Paula's Choice 2% BHA Liquid Exfoliant ($9.27) to Paula's Choice BOOST 10% Azelaic Acid Booster ($42). Priced on the 1.01 oz size at $12.20. The scale is logarithmic. Tap a dot to see which. Prices current as of September 2026.
Its siblingsThe Rest of the Line
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The Ordinary sells a long shelf of products for uneven tone and rough texture.
Shop aroundSimilar Products
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These are the options if the texture defeats you, or you want a higher strength.
Questions Patients Ask
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Is The Ordinary Azelaic Acid Suspension 10% real azelaic acid?
Yes. Genuine azelaic acid at 10%, not a derivative.Why does The Ordinary Azelaic Acid Suspension 10% feel gritty?
The acid is suspended as particles, not dissolved.What is The Ordinary Azelaic Acid Suspension 10% best for?
Rosacea. It also helps acne and dark marks.Can I wear The Ordinary Azelaic Acid Suspension 10% under makeup?
It pills, so most people use it at night.Will The Ordinary Azelaic Acid Suspension 10% sting?
Some stinging or itching is common at first.References
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- Interventions for rosaceaThis Cochrane systematic review of 106 randomised trials rated the evidence for topical azelaic acid in rosacea as high quality, higher than the moderate-quality grade it gave topical metronidazole.
- The multiple uses of azelaic acid in dermatology: mechanism of action, preparations, and potential therapeutic applicationsDocuments azelaic acid's multiple mechanisms: it is a tyrosinase inhibitor (blocks pigment formation) and has anti-inflammatory and antimicrobial activity against acne bacteria, with use in rosacea and hyperpigmentation.
- Azelaic acid: Properties and mode of actionConfirms azelaic acid is anti-inflammatory, bactericidal against acne-associated bacteria, and antikeratinizing/comedolytic, supporting the claims that it kills acne bacteria and unclogs pores.
- The Ordinary Azelaic Acid Suspension 10% ingredients (INCIDecoder)Confirms the product is The Ordinary's Azelaic Acid Suspension containing real azelaic acid at 10%.
- Treatment of rosacea during pregnancyReviews the pregnancy categories and relative safety of rosacea treatments, the context for azelaic acid being among the options considered acceptable in pregnancy.