How to use them
Use them in the same routine morning or night. Apply Salicylic Acid first, then Azelaic Acid, moving from thinnest to thickest texture. Finish with sunscreen in the morning.
- 1CleanseGentle cleanser, pat dry
- 2Salicylic Acid0.5% – 2%, wait about 1 minute
- 3Azelaic Acid10% – 20%
- 4Moisturiserseal 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 Salicylic Acid does
An oil-soluble beta-hydroxy acid that gets inside pores to dissolve the sebum and dead skin behind blackheads, whiteheads and breakouts. It is the go-to for oily, acne-prone skin.
- Typical strength
- 0.5% – 2%
- When
- AM/PM
- Irritation
- Best for
- Oily And Combination skin
Everything that pairs with Salicylic Acid →
Trying to choose one? Read Azelaic Acid vs Salicylic Acid: which is better for your skin.
Frequently asked questions
Can I use Azelaic Acid and Salicylic Acid together?
Yes, it is safe. Both target acne without clashing. If your skin feels tight, use salicylic acid in your cleanser and azelaic acid as the leave-on.
Which goes first, Azelaic Acid or Salicylic Acid?
Apply Salicylic Acid 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 Salicylic Acid in the morning or at night?
Salicylic Acid: works morning or night. Use as a cleanser daily or a leave-on 2% serum 3–4 times a week. It can dry out skin, so moisturise well.
Is Azelaic Acid with Salicylic Acid safe during pregnancy?
Neither is a known risk in normal cosmetic amounts, but guidance varies for Salicylic Acid. Check with your doctor.