Scars are undesired marks on your skin after an injury. When the deep, thick layer of skin is damaged, it forms scars to repair the wound. Most wounds, except the minor ones results scarring up to some degree. Scar results from accidents, surgeries or skin conditions like acne.
Usually, there is no pain or physical discomfort associated with the scars. In order to remove scars with ugly appearance, several options like surgical excision, laser treatment, radiation, steroid injection are used. However, in case of larger scars located on elbows or knees, it affects the mobility and there is no treatment to remove such marks.