Your skin’s responses to tissue injury and the healing process of the epidermis and dermis. Some scars heal smoothly and evenly, others develop a build-up of collagen that is raised, uneven or extends beyond the parameters of the original wound site.
Keloids are excessively raised and scar formation most commonly occurring in people of African/African American, Asian, or Indian heritage.
What Causes Scars/Keloids:
Scars are the body’s natural response to injury. As for keloids, there is no clear single reason why they form in certain people or situations and not in others. Genetics and ethnicity play a role.