Undo the harm of daily pollution before it has lasting impacts with the Defense Antioxidant Pore Purifier; a lightweight, skin-refining serum that harnesses the pore-clearing power of Salicylic Acid to drive powerful, anti-ageing antioxidants deep into the skin. Enriched with the exclusive Paula’s Choice Anti-Pollution Factor blend containing Niacinamide, Vitamin C and a form of Azelaic Acid to smooth, brighten and repair skin, leaving it healthy, radiant and more even-toned. Not suitable for sufferers of Acetylsalicylate. Fragrance- and colourant-free. Never tested on animals.