Melanin

https://en.wikipedia.org/wiki/Melanin

Best Regards Eman Ali Al- Khafaji

thanks sajda taha

Melanin (in Latin: Melanin) is a protein pigment produced by cells called epithelial cells and in human skin as well as in the hair follicle. This substance is controlling the color of the skin, when increased secretion of melanin happens to the skin, and when it occurs whiteness in the skin, and Its absence is called a person (Albino) and is completely white. This is one of the largest protective materials from the heat of the sun also. This explains the skin color of anyone exposed to much of the sun. The lighter the color of the skin, the lower the protection and resistance to cancer, and the greater the risk of burns. The appearance of mole is also associated with this substance.

thanks Khansaa Azeez

Melanin

https://en.wikipedia.org/wiki/Melanin

Best Regards Eman Ali Al- Khafaji