Address imperfections on the skin with paula's choice resist skin transforming multi correction treatment with azelaic acid bha, a multi tasking formula dedicated to improving the look of your complexion. Fortified with salicylic acid and azelaic acid, the anti ageing treatment targets brown spots and blemish pigmentation, fading their appearance whilst brightening skin tone overall to leave red marks and old blemishes a thing of the past. Wrinkles and enlarged pores are reduced and skin's texture looks refined and radiant. Dull, sallow complexions look bright and balanced with a healthy, matt finish. K.n. Non irritating and 100% fragrance free. No added dyes. Not tested on animals. Suitable for all skin types. Non irritating and 100% fragrance free. No added dyes. Not tested on animals. Important those allergic to aspirin acetylsalicylate should not use products containing salicylic acid beta hydroxy acid, or bha.