Azelaic Acid in skincare: what it does, safety & pregnancy

What Azelaic Acid does

It is antibacterial against acne-causing bacteria, normalises keratinisation inside the pore, and inhibits tyrosinase to fade post-acne marks.

It also reduces the inflammatory response behind rosacea flushing, which is why prescription strengths are a standard rosacea treatment.

Worth using if…

Rosacea and persistent redness
Acne with post-inflammatory pigmentation
Melasma-prone skin

Safety & watch-outs

Can cause temporary tingling or itching in the first two weeks.
Cosmetic 10% formulas are weaker than prescription 15–20%.

Azelaic Acid in pregnancy: Not on standard avoid lists

Azelaic acid is one of the few acne and pigment actives routinely recommended during pregnancy. Still clear it with your own clinician first.

Is Azelaic Acid safe in pregnancy? →Screen a full ingredient list →

Comedogenic rating: 0/5 · non-comedogenic

Non-comedogenic. Ratings come from the published Fulton scale, which was measured on rabbit ears rather than human faces — treat it as a rough signal, not a verdict on a finished formula.

Check a whole formula for pore cloggers →

Common questions

Azelaic acid or niacinamide for redness?

Niacinamide is gentler and broader; azelaic acid is stronger and better evidenced specifically for rosacea.

Informational only, not medical advice. Written from public regulatory and dermatology references (EU Cosmetics Regulation annexes, SCCS opinions, CIR reviews, published Fulton-scale data). Concentration, formula and your own skin all change the outcome — consult a clinician for personal concerns.

Azelaic Acid