Primary keloid: The cause of this disease is unknown.

Secondary keloid: caused by infection, inflammation and trauma.

Forward keloid: originally hypertrophic scar, partially or completely transformed into keloid.

Keloid and hypertrophic scar are important complications of trauma and trauma. There are many reasons for scar formation, such as burns, trauma, trauma, acne (acne), ear piercing, vaccination, double eyelids and so on. So how to prevent keloids? The preventive measures mainly lie in the immature stage before and during scar formation. Its main purpose is to remove all kinds of factors that cause scar hyperplasia as much as possible, reduce scar growth, prevent all kinds of deformities and dysfunction caused by scar on the body, and pay attention to minimize mechanical, chemical and thermal stimulation to the affected area when it is serious, so as to avoid repeated pulling, friction rupture and infection. Usually pay attention to prevent trauma, so as not to damage the dermis. I usually eat alkaline food such as kelp. Because these foods can improve their scar constitution if they are eaten for a long time. ..