Scar Fx Silicone Sheeting - 1.5 x 3 Sheet Scar Fx Silicone Sheeting A non-invasive, non-surgical solution to minimize surgical scars, traumatic scars, keloids, hypertrophic scars, and burns. The silicone scar sheets are 100% healthcare grade silicone that is self-adhering and reusable for 30-45 days. A non-invasive, non-surgical solution to minimize surgical scars, traumatic scars, keloids, hypertrophic scars, and burns. The silicone scar sheets are 100% healthcare grade silicone that is self-adhering and reusable for 30-45 days.