A scab after surgery is a normal part of healing. It forms at the incision site to protect the skin underneath while it heals. Removing a scab can impede healing, so it's best to let it fall off ...

Most scabs on the scalp aren’t cause for concern. They may be caused by exposure to an irritant or a mild skin condition, and either heal on their own or with over-the-counter (OTC) treatments.

Red blood cells also get stuck in the mesh, forming a clot. This develops into a scab, which protects the wound as it heals. Plasma close blood plasmaThe liquid part of the blood containing useful ...