-Our new effaclar serum is a concentrate of exfoliating acids combined with soothing niacinamide, that targets blackheads, pimples, marks and visible pores. This no-rinse formula leaves the skin refined and purified how to use -apply to the whole face on the evening, after cleansing skin with effaclar purifying foaming gel. Ingredients • aqua / water, • alcohol denat., • Propanediol, • glycolic acid, • niacinamide, • dimethyl isosorbide, • pentylene glycol, • salicylic acid, • sodium hydroxide, • peg-60 hydrogenated castor oil, • hydroxyethylpiperazine ethane sulfonic acid, • citric acid, • peg-30 glyceryl cocoate, • capryloyl salicylic acid, • biosaccharide gum-1, • maltodextrin, • phytic acid, • polyquaternium-10, • parfum / fragrance.