Finacea is a topical gel that contains azelaic acid, a naturally occurring acid. Azelaic acid assists the skin to renew itself more quickly hence reduces blackhead and pimple formation. It also assists to kill the bacteria that causes rosacea and acne. Finacea is used in the treatment of mild acne and rosacea, a skin condition marked by red eruptions that are usually on the nose and the cheeks. Finacea has different dosage forms, and the one that applies to azelaic acid topical is topical jelly/gel or topical cream. In addition to the required effects, azelaic acid topical might have unwanted effects. Some these effects might include changing in skin color, severe burning, warmth, or stinging, and severe peeling, redness, dryness or other irritation.