Mederma Scar Cream Plus SPF 30 Did you know the best thing you can do for your scar is protect it from the sun? Sun exposure can darken the appearance of your scar, which can make your scar more noticeable. Mederma Scar Cream Plus SPF 30 can help you prevent sunburn while making your scar less noticeable, which lets you leave the doubts behind so the real you can shine through. Mederma Scar Cream Plus SPF 30 is clinically shown to reduce discoloration and improve overall appearance, softness, and texture of scars.1 Mederma Scar Cream Plus SPF 30 is effective on older and newer scars. It works for many types of scars, including acne scars, surgery scars, and scars from burns, cuts, and other injuries. And it's from the No:1 doctor2 - and pharmacist3 - recommended brand for scars.