By Berfin Mahmut, PT, DPT, CLT-LANA, OnCS Scar tissue is a normal and expected part of the body’s healing process after surgery or injury. When the skin heals from a cut, burn, sore, or surgical incision, the body forms fibrous tissue to repair and protect the area. This tissue becomes what we know as a scar. While scars are a natural part of healing, excessive or untreated scar tissue can sometimes lead to discomfort, including pain, tenderness, sensitivity, or itching around the scar.