Cos De BAHA AZ Serum is a powerful formulation aimed at addressing acne, hyperpigmentation, and overall skin health. With 10% Azelaic Acid, it effectively targets acne and reduces dark spots, while Sodium Hyaluronate provides deep hydration, enhancing skin elasticity. The serum also includes Niacinamide to improve skin tone and strengthen the skin barrier, along with D-Panthenol for added soothing and moisturizing effects. This serum is ideal for those seeking a comprehensive solution to achieve clearer, hydrated, and more even-toned skin.