Tonight changes can begin, with Mederma PM Intensive Overnight Scar Cream. It is the first and only overnight scar cream that is designed specifically to work during sleep. During sleep our bodies work hard to reverse the skin damage that occurs during the day, the rapid growth of skin cells. Let repair and rebirth. Mederma PM Intensive Overnight Scar Cream is formulated to complement this nocturnal activity with tryptol, a skin nourishing complex with peptides, collagen and antioxidants to promote healthy looking skin and rid your skin Helps in fighting radical damage. One night application has been clinically shown to make the scars smaller and less visible, and can begin to bring noticeable results in 14 nights.