La Roche-Posay Effaclar Duo+M is a triple-action corrective cream specifically formulated for acne-prone skin. This dermatologically-tested treatment helps reduce blemishes, prevents their recurrence, and diminishes post-acne marks while providing 24-hour hydration. The formula contains innovative Microbiome Science technology that works to balance the skin's microbiome while targeting imperfections. It is non-comedogenic, hypoallergenic and suitable for sensitive skin. The cream can be used by both teenagers and adults, and shows visible results in reducing blemishes, blackheads, and post-acne marks. For best results, apply morning and/or evening to clean, dry skin. Can be used under makeup.