Eumelanogenesis is the process of producing eumelanin, a type of pigment that is responsible for dark coloration in the skin, hair, and eyes. Some synonyms for eumelanogenesis include melanogenesis, melanin synthesis, and melanosome production. In addition, the production of eumelanin is also known as melanization. It is a complex biological process that involves the activation of various enzymes and proteins, including tyrosinase, tyrosinase-related protein 1 (TRP1), and tyrosinase-related protein 2 (TRP2). This process plays an important role in protecting the skin from harmful UV radiation and is also involved in regulating skin and hair coloration in humans and animals.