How to use them
Use them in the same routine morning or night. Apply Azelaic Acid first, then Sulfur, moving from thinnest to thickest texture. Finish with sunscreen in the morning.
- 1CleanseGentle cleanser, pat dry
- 2Azelaic Acid10% – 20%, wait about 1 minute
- 3Sulfur3% – 10%
- 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 Sulfur does
An old-school acne fighter that dries out oily spots, gently exfoliates and has antibacterial and antifungal activity. It is gentler than benzoyl peroxide for many people, though it has a distinctive smell.
- Typical strength
- 3% – 10%
- When
- AM/PM
- Irritation
- Best for
- Oily, Combination And Sensitive skin
Everything that pairs with Sulfur →
Trying to choose one? Read Azelaic Acid vs Sulfur: which is better for your skin.
Frequently asked questions
Can I use Azelaic Acid and Sulfur together?
Yes, it is safe. There is no known chemical conflict between Azelaic Acid and Sulfur, and neither makes the other less effective. They share a goal (acne), so together they reinforce each other.
Which goes first, Azelaic Acid or Sulfur?
Apply Azelaic Acid first, then Sulfur. 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 Sulfur in the morning or at night?
Sulfur: works morning or night. Use as a spot treatment, a clay mask or a short-contact wash. It can be drying, so moisturise afterwards.
Is Azelaic Acid with Sulfur safe during pregnancy?
Neither is a known risk in normal cosmetic amounts, but guidance varies for Sulfur. Check with your doctor.