Ingredient · INCI listed
Azelaic Acid
Azelaic acid is a dicarboxylic acid with antibacterial, anti-inflammatory, and melanin-inhibiting properties. It treats acne, rosacea, and hyperpigmentation simultaneously — one of the few ingredients effective across all three.
Evidence — Well-established
Data summary
Products containing
27
Most common in
11 products
treatments
Typical pairing
Niacinamide (Vitamin B3)
Evidence level
Well-established. Prescription strength (15-20%) has strong clinical data for rosacea and acne. OTC at 10% is still effective. Safe during pregnancy — one of few prescription-grade actives cleared for use.
Verified reviewer
Where it shows up
