These mites are largely parasitic and consume blood, skin and keratin. Dust mites, which feed mostly on dead skin and hair shed from humans instead of consuming them from the organism directly, evolved from these parasitic ancestors.
Hypertrophic scar (4 months after incident) A hypertrophic scar is a cutaneous condition characterized by deposits of excessive amounts of collagen which gives rise to a raised scar, but not to the degree observed with keloids. Like keloids, they form most often at the sites of pimples, body piercings, cuts and burns. They often contain nerves and blood vessels.
These are called hypertrophic scars. Find out more about hypertrophic scars. A keloid scar is an overgrown scar that can spread outside the original area of skin damage, says Hermione Lawson of the British Skin Foundation.Keloid scars are shiny and hairless, they're raised above the surrounding skin, and can feel hard and rubbery.. Keloids affect around 10-15% of all wounds.They can appear anywhere on the body, but usually form on the shoulders, head and neck.eloid scars are shiny and hairless, they're raised above the surrounding skin, and can feel hard and rubbery.. Keloids affect around 10-15% of all wounds. They can appear anywhere on the body, but usually form on the shoulders, head and neck.