This cream effectively diminishes the intensity of severe redness and reduces associated blemishes. Its concentrated formula combines 15% azelaic acid with the ß-CALM complex of active ingredients for a global improvement in the condition of the skin. How to use: For use as a corrective treatment when imperfections appear all over the face. Apply Metroruboril AZ all over the skin in the morning and at night for 2/3 months. For use as a care treatment when imperfections only appear in certain areas of the skin. Apply the product at night on the affected areas and in the morning apply the Ruboril expert M or S cream.