The Ordinary Salicylic Acid 2% Exfoliating Blemish Solution is a water-based exfoliating serum formulated to target acne and skin congestion. Its core active is salicylic acid at a 2% concentration, a lipophilic beta hydroxy acid (BHA) that penetrates pores to help dissolve sebum and exfoliate surface dead skin. Key inactive ingredients include Cocamidopropyl Dimethylamine, Chlorphenesin, Citric Acid, Hydroxyethylcellulose, Phenoxyethanol, Polysorbate 20, Saccharide Isomerate, Sodium Citrate, Sodium Hydroxide, and Water. Benefits include reduced visible blemishes and comedones, clearer-looking pores, improved texture, and support for skin healing. The formula is water-based, oil-free, alcohol-free, and pH balanced (approximately 3.2–4.0).