Beauty Elixir

Can you use Azelaic Acid with Benzoyl Peroxide?

Safe to mix

Yes, it is safe.

The two complement each other for acne and are sometimes prescribed together. Expect some dryness.

How to use them

Use them in the same routine morning or night. Apply Benzoyl Peroxide first, then Azelaic Acid, moving from thinnest to thickest texture. Finish with sunscreen in the morning.

  1. 1
    CleanseGentle cleanser, pat dry
  2. 2
    Benzoyl Peroxide2.5% – 5%, wait about 1 minute
  3. 3
    Azelaic Acid10% – 20%
  4. 4
    Moisturiserseal everything in

What Azelaic Acid does

A multitasker that treats acne, rosacea redness and pigmentation at the same time. It is widely considered safe in pregnancy, so it is a common swap for retinoids.

Typical strength
10% – 20%
When
AM/PM
Irritation
Best for
Sensitive, Oily, Combination And Normal skin

Everything that pairs with Azelaic Acid →

What Benzoyl Peroxide does

It kills acne-causing bacteria (C. acnes) by releasing oxygen into the pore. It works fast on inflamed pimples, but it is drying and can bleach towels and pillowcases.

Typical strength
2.5% – 5%
When
AM/PM
Irritation
Best for
Oily And Combination skin

Everything that pairs with Benzoyl Peroxide →

Trying to choose one? Read Azelaic Acid vs Benzoyl Peroxide: which is better for your skin.

Frequently asked questions

Can I use Azelaic Acid and Benzoyl Peroxide together?

Yes, it is safe. The two complement each other for acne and are sometimes prescribed together. Expect some dryness.

Which goes first, Azelaic Acid or Benzoyl Peroxide?

Apply Benzoyl Peroxide first, then Azelaic Acid. The general rule is thinnest to thickest texture, and lowest pH first.

Should I use Azelaic Acid in the morning or at night?

Azelaic Acid: works morning or night. Apply once or twice daily. A mild tingle in the first week is normal.

Should I use Benzoyl Peroxide in the morning or at night?

Benzoyl Peroxide: works morning or night. 2.5% works about as well as 10% and irritates less. Use as a short-contact wash or a spot treatment, and keep it away from fabrics.

Is Azelaic Acid with Benzoyl Peroxide safe during pregnancy?

Neither is a known risk in normal cosmetic amounts, but guidance varies for Benzoyl Peroxide. Check with your doctor.

More free tools

Pore-Clog CheckerIs it acne & fungal-acne safe? Can I Mix…?Check two actives or your routine Routine Builder7-day AM/PM plan in 30s Hair Porosity TestOils & wash schedule for your hair Spray CalculatorHow many sprays is right? Perfume DupesLuxury smell, budget price Batch Code CheckerIs your makeup expired?