The Cetaphil Repair and Renew Serum PM 30ml is a targeted nighttime treatment designed to support the skin's natural renewal process. This serum is formulated to help improve the appearance of fine lines and wrinkles while you sleep, working to restore a smoother, more even skin texture. It provides deep hydration to help strengthen the skin's moisture barrier, leaving skin feeling replenished and soft. Ideal for use in an evening skincare routine, this serum should be applied to clean skin before moisturizer to help wake up to a more radiant and refreshed complexion.