Wound healing involves four stages: homeostasis ... During this phase, the skin tissue is deep red, purple, dark brown in those with dark skin and pink or red in those with light skin.

Slow wound healing can be a symptom of a chronic health issue, such as diabetes. Learn about the role of inflammation and ...

However, traditional dressings have limited drug loading capacity and permeability and are unable to deliver active medications to the deep wound ... on different stages of wound healing.