Melanin (/ ˈ m ɛ l ə n ɪ n / ⓘ; from Ancient Greek μέλας (mélas) 'black, dark') is a family of biomolecules organized as oligomers or polymers, which among other functions provide the pigments of many organisms. [1] Melanin pigments are produced in a specialized group of cells known as melanocytes.

Melanin is a substance in your body that produces hair, eye and skin pigmentation. The more melanin you produce, the darker your eyes, hair and skin will be. The amount of melanin in your body depends on a few different factors, including genetics and how much sun exposure your ancestral population had.

2021年4月29日 · Melanin is a substance present in the skin that produces pigment. Each person has a different amount of melanin in their skin. The variation of melanin is due to genetics and other factors....

2023年10月10日 · Melanin is a natural skin pigment that plays a role in the color of your hair, skin, and eyes. Learn what else it does in the body.

2023年5月1日 · In its various forms, melanin fulfills a variety of biological functions, including skin and hair pigmentation and photoprotection of the skin and eye. Pigmentation of the skin results from the accumulation of melanin-containing melanosomes in the basal layer of the epidermis.

2024年8月1日 · Melanin is a pigment made by specialized cells in the skin called melanocytes. The amount and type of melanin determines skin color. Human skin is highly variable around the world, ranging from very dark brown to pale white.

2024年12月15日 · Melanin, the complex biological pigment responsible for skin, hair, and eye color, has long fascinated scientists and the general public alike. Beyond its role in aesthetics, melanin plays a crucial role in protecting the skin from harmful ultraviolet (UV) radiation, regulating body temperature, and even influencing an individual's ...

2023年10月19日 · Our skin color is determined by a pigment called melanin, and while everyone has melanin (both fair and dark-skinned people), it comes in different forms and ratios. The two forms of melanin are called eumelanin and pheomelanin .

2025年1月26日 · Melanin is a dark biological pigment (biochrome) occurring in the skin, hair, feathers, scales, eyes, and some internal membranes of humans and other animals. It is formed as an end product during metabolism of the amino acid tyrosine.

2020年2月24日 · Melanins are a unique class of pigments found throughout the biosphere with a wide variety of functions, structures, and presentations. Cordero and Casadevall highlight the wide range of places melanins are found and the diverse functions they play in nature.