Ingredient glossary

Azelaic Acid

What Azelaic Acid does for your skin, who it suits, and what to watch for.

INCI: Azelaic Acid

Worth paying for

In short: Azelaic Acid delivers anti acne and brightening, suits most skin types, and the evidence behind it is strong. One thing to know: introduce it gently.

What it does
Anti acne, brightening
Best for
Combination, Oily, Sensitive skin
Watch out
Introduce it gently
Evidence
Strong
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The molecule

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Chemical structure of Azelaic Acid (Azelaic Acid)

The Glow take

One of the ingredients I trust most.

When your goal is calming breakouts and congestion, Azelaic Acid delivers, and the research properly backs it up. Introduce it gently, and pair it with something soothing if your skin runs sensitive.

— Maya

What it does

  • anti acne
  • brightening
  • anti redness

strong evidenceDermatology literature supports topical 10–20% azelaic acid as effective and safe for acne, rosacea and various hyperpigmentation conditions, including skin of color.

On a label: works best above 10%.

Who it's for, and who should skip it

Tends to suit

  • acne prone
  • rosacea
  • pigmentation
  • oily
  • combo
  • sensitive

Approach with care

  • very sensitive initial
  • Clogs poresLow
  • Irritation riskModerate

How it fits each skin type

  • DryNeutral
  • CombinationSuits
  • OilySuits
  • SensitiveSuits

Often chosen for acne prone, rosacea, pigmentation. Take extra care if any of these apply to you: very sensitive (when first starting).

Where it fits in your routine

WhenMorning or evening
Where in the orderAfter cleansing, before your moisturizer

Plays well with

Azelaic Acid, answered

Is Azelaic Acid safe during pregnancy?

Yes. Azelaic Acid is considered safe to use during pregnancy and breastfeeding. As with anything, if you are unsure it is worth a quick word with your doctor or midwife.

Who should avoid Azelaic Acid?

Approach Azelaic Acid with care if any of these apply to you: very sensitive (when first starting). Its irritation risk is moderate, so introduce it slowly and patch test first.

What concentration of Azelaic Acid actually works?

Research tends to show Azelaic Acid starts pulling its weight above 10%. If a brand prints the percentage, that is the number to look for.

This, for every label you own

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Sources & how we reviewed this

Last reviewed July 2026. Educational information about a cosmetic ingredient, not medical advice.