Skin varies in texture, structure and thickness and is made up of three components.
This advancement takes proximately 14 days. Melanocytes, among the basal cells of the epidermis, produce melanin, the protective pigment responsible for skin colour. Melanocytes are stimulated by sunlight, therefore produce sufficient melanin to protect the skin against harmful ultra violet radiation. Another type of cell within the epidermis is the Langerhans. Found in the middle section of the epidermis, these cells perform an immunological attack on foreign substances that penetrate the skin.