Keloids usually are not medically dangerous, but they may affect the appearance. In some cases, they may become smaller, flatter, and less noticeable over a period of several years. Exposure to the sun during the first year after the keloid forms will cause the keloid to tan darker than the skin around it. This dark color may be permanent. Removing the keloid may not be permanent. Surgical removal may cause a larger keloid scar.
What to expect if I have Keloids  (Outlook/Prognosis)?
Keloids usually are not medically dangerous, but they may affect the appearance. In some cases, they may become smaller, flatter, and less noticeable over a period of several years. Exposure to the sun during the first year after the keloid forms will cause the keloid to tan darker than the skin around it. This dark color may be permanent. Removing the keloid may not be permanent. Surgical removal may cause a larger keloid scar.