Congenital skin pigmentation disorders are localized changes and disorders of the skin's pigment cells. Although many types of pigmentation disorders are benign, they still greatly affect aesthetics, causing children to lack confidence and be afraid of social interaction. Therefore, parents should understand this disease to have appropriate treatment for their children.

The skin is made up of two main layers: the epidermis (outer layer) and the dermis (deeper layer). In this article, we will provide useful information to help you better understand the structure of the skin, its layers and roles.