Azelaic acid is a naturally occurring dicarboxylic acid that can be found in grains such as wheat, rye, and barley. It's also produced by a yeast that naturally lives on the skin.

In skincare, azelaic acid has been used for decades to help manage concerns including:

Over-the-counter formulas are available in lower concentrations, while stronger formulations are available by prescription.

But what makes azelaic acid particularly interesting is its ability to tackle several concerns without relying on aggressive exfoliation.

Korean skincare isn't always about finding the strongest possible active.

It's often about finding ingredients that can address a concern while keeping the skin calm and supported.

That's where azelaic acid shines.

Rather than simply exfoliating the surface of the skin, it can help address inflammation, acne-causing bacteria, and excess pigmentation.

In other words:

Clearer skin + calmer skin + more even-looking skin.

That's a pretty impressive résumé for one ingredient.

If your skin is prone to redness or irritation, azelaic acid may be particularly interesting.

Its anti-inflammatory properties can help calm the skin and improve the appearance of redness, which is one reason it's used for conditions such as rosacea.

This also makes it appealing for acne-prone skin, where inflammation can often accompany breakouts.

Azelaic acid also has antimicrobial properties.

It can help limit acne-associated bacteria on the skin, making it useful for mild to moderate acne.

And because it can address inflammation at the same time, you're tackling more than one part of the breakout cycle.

For severe or cystic acne, however, azelaic acid alone may not be enough and professional dermatological care may be necessary.

Sometimes the pimple lasts a week.

The mark it leaves behind lasts for months.

Azelaic acid can help reduce excess pigmentation by inhibiting tyrosinase, an enzyme involved in melanin production.

That makes it especially useful for concerns like:

post-acne discoloration
dark spots
uneven skin tone
melasma

With consistent use, it can help the complexion appear clearer, brighter, and more even.

Don't let the word "acid" fool you.

Azelaic acid isn't an AHA like glycolic acid or a BHA like salicylic acid.

Those ingredients belong to the hydroxy acid family and are commonly used for exfoliation.

Azelaic acid works differently and is generally considered gentler.

That makes it an interesting alternative for someone who wants to address breakouts and uneven tone but finds traditional exfoliating acids difficult to tolerate.

Azelaic acid can be surprisingly easy to incorporate into a routine.

After cleansing, apply your azelaic acid treatment to clean, dry skin and follow with a hydrating moisturizer.

If you're sensitive, consider starting once daily with a small amount and increasing your usage only if your skin tolerates it well.

A simple routine might look like:

Cleanser → Hydrating Toner/Essence → Azelaic Acid → Moisturizer

And during the day:

Always finish with SPF 30 or higher.

Sun protection is especially important when you're trying to improve hyperpigmentation, since sun exposure can make discoloration more difficult to manage.

Some of Our Favorite Korean Skincare Recommendations

Anua — Azelaic Acid 10 Hyaluron Redness Soothing Serum

This serum combines 10% azelaic acid with hydrating and soothing ingredients, making it particularly suited to routines focused on calming blemish-prone skin.

COSRX Azelaic Acid 10 B5 Redness Soothing Cream

Formulated for sensitive, irritated, and redness-prone skin. Combines 10% azelaic acid with panthenol to intensely soothe the skin.

SKIN1004 Madagascar Centella Azelaic Acid 10 Ampoule

Designed to control excess sebum while improving overall skin tone and texture for a clear, balanced complexion.