Immediately after an injury, the initial response is bleeding. Once the bleeding is stopped, an army of inflammatory cells arrive to heal the wound.
These cells begin to build the framework for new blood vessels, collagen and skin formation.
The inflammatory phase leads to the proliferative phase. In the proliferative stage, cells called fibroblasts lay down the foundation for new skin. Blood vessels are built and then new skin cells migrate in to rebuild.
After the proliferative stage, the undergoes alterations known as remodeling. In remodeling, collagen is broken down and rebuilt. The wound may contract and tighten. Remodeling is an ongoing, long-term process that ultimately determines how a scar looks and feels. ...