Oklahoma Cosmetology Board Practice Exam

Melanin is a pigment produced by cells called melanocytes in the skin. It gives skin its color and protects it from the sun's UV rays. There are two types of melanin eumelanin and pheomelanin. Eumelanin is a darker pigment that is responsible for brown or black color, while pheomelanin is lighter and gives reddish hues. B and C are incorrect as they are not types of melanin, but conditions and pigments respectively. D is incorrect as there are indeed two types of melanin mentioned.