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.
Hypertrophic scars are the most common type of scar tissue and are commonly associated with wounds that exhibit delayed healing: tissue loss, burns, surgery, and healing by secondary intention. They are most likely to form on certain locations such as the back, chest, shoulders, jawline and earlobes.