Your skin color is determined by a pigment called melanin. Special cells in your skin called melanocytes create melanin, which gives your skin its color. How much melanin you have, as well as the type ...

Patients with erythropoietic protoporphyria, a rare inherited disease, accumulate photosensitizing protoporphyrin in the dermis, which results in severe dermal pain and incapacitating phototoxic ...

Our hair, skin and eyes are colored by a pigment called melanin, which is produced by pigment cells called melanocytes. Scientists have used stem cell technology to successfully create melanocyte ...

The three main forms of melanin in our body are pheomelanin, eumelanin, and neuromelanin. This pigment is synthesized in the human body by melanocyte cells and consists of numerous polymeric compounds ...

Q: When first learning about genetics, we’re taught that blue eyes are recessive and brown is dominant, but what about green eyes? Also, what are the squiggly lines in light-colored eyes? — Tim Patten ...