Question

a yellow - orange pigment located in the stratum corneum and fatty layers of the dermis and subcutaneous regions of skin: carotene melamin hemoglobin erythema albinism

Explanation:

Carotene is a yellow - orange pigment. It can be deposited in the stratum corneum and fatty layers of the dermis and subcutaneous regions of the skin. Albinism is a genetic condition with lack of pigment. Erythema is redness of the skin due to blood vessel dilation. Hemoglobin is in red blood cells and gives blood its red color, and is not the described yellow - orange pigment. Melanin is a pigment responsible for skin, hair, and eye color, but is not yellow - orange in the context described.

Answer:

carotene