The Nineless A-Control 10% Azelaic Acid Serum is a Korean skincare product designed for acne-prone or hyperpigmented skin, featuring 10% Azelaic Acid to reduce breakouts, fade dark spots, and even skin tone, supported by soothing Centella Asiatica, pore-minimizing Niacinamide, and hydrating Snail Mucin, offering gentle exfoliation and impr