In human life there are many effects that cause a change in the color of the skin, and not all changes in the skin color frightening and cause damage, but only some of them calls for fear of the presence of skin cancer, and skin color change depends on the period of exposure It is the skin of the burning sun that causes melanin to change in the skin. Melanin is responsible for the color of the skin, which controls the color of the skin, and the main reason for the different colors of people is the difference in the amount of melanin pigment in the skin, where The skin that is darker color contains more t Melanin is the base of those that are white, as the melanin in the white skin is less concentrated.
Melanin concentration differs from person to person, but sunlight plays a role in altering the work of melanin, and other things cause a darkening of the skin, and the problems and stress of the human being sometimes cause a darkening.
There are cases of disease causing the occurrence of darkness in areas of the skin, which doctors have called me: –
1- Melasma:
This condition is a condition that causes the inflammation of the upper lip and palate, and may also appear in love, and these dark spots caused by a change in the work of certain hormones in the body, and pregnancy also causes the emergence of these spots, in addition to the beginning in menopause , Or take a pill.
2- Sunspots or aging spots:
These patches appear with age, caused by a condition of osteoporosis, and appear on the hands and on all areas exposed to the sun, which are in the form of dark spots in the skin.
Vitiligo disease:
This disease makes the body contains areas lighter than other parts of the skin, a condition that is sometimes genetic and need treatment, and was diagnosed this case that the spots lighter color Melanin where it has stopped working.
There are also cases of skin pigmentation classified as natural cases, which are exposure to the sun’s burning, which can be treated through creams and ointments that are responsible for the treatment of the impact of sunlight on the skin, and natural fillers also may be useful in reducing the impact of this fire, and this Cataracts include any area of the skin from parts that are exposed to hot sun, and some people use an ointment called a sun visor, which reduces the effect of sunlight.