Anua Azelaic Acid 10 Hyaluron Redness Soothing Serum 30ml is a lightweight, water-based serum designed to calm redness, reduce blemishes, and intensely hydrate sensitive or acne-prone skin. It features a potent 10% concentration of azelaic acid to improve skin tone, paired with hyaluronic acid and cica for soothing, non-comedogenic care.