https://tube.blueben.net/videos/watch/67973eb7-450b-4061-9807-b1a78294fd65 Why Healing Leaves a Mark A scar forms when the body repairs injured skin with new collagen fibers. Because this collagen is arranged differently from normal skin, the healed area may look lighter, darker, raised, or sunken, leaving a permanent mark after the wound closes. Thu, 24 Sep 2026 21:53:07 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://tube.blueben.net https://tube.blueben.net/client/assets/images/icons/icon-96x96.png https://tube.blueben.net/videos/watch/67973eb7-450b-4061-9807-b1a78294fd65 All rights reserved, unless otherwise specified in the terms specified at https://tube.blueben.net/about and potential licenses granted by each content's rightholder.