Is a daily peeling serum, which helps to reduce marks, pores and imperfections on adult skin with acne tendency. Formulated with 3 concentrated acids and niacinamide. For combination to oily skin, with acne tendency and imperfections. Key Components Salicylic acid - helps to unclog pores and prevents the accumulation of sebum; Glycolic acid - promotes skin renewal (daily peeling); LHA - smooths the skin surface; Niacinamide - with a soothing effect, it helps to conceal lines. Indication Imperfections, blackheads, acne, marks and enlarged pores. How to use Shake and apply La Roche Posay Effaclar Ultra Concentrated Serum at night after cleaning. Add a few drops on the palm and spread evenly on the face.