Those cells produce the black melanin which renders tanned skin. Excessive growth of melanocytes may cause too much pigmentation and possibly trigger black skin cancer. Signalling pathways in ...

Melanin is a substance present in the skin that produces pigment. Each person has a different ... and whether or not a person can have too much or too little of it in the skin.

which gives skin its color. Hyperpigmentation happens when too much pigment settles into a small spot in the skin. Hyperpigmentation can come in many forms. Common examples include: lentigines ...

In hyperpigmentation, the skin either produces too much pigment or the pigment is deposited deep within the skin, resulting in dark spots. When color is lost, it's called hypopigmentation ...

A cuttlefish’s skin contains over twenty million chromatophores, cells of pigment attached to miniscule ... cuttlefish are careful not to expend too much energy and usually spend about 95 ...

In this article, we’ll dive into what melanin is, why melanin is so important for the skin, and how various factors can influence how much ... humans and animals: Eumelanin. This pigment is ...

Another breed, known as the silkie because of its soft, hair-like feathers, also sports hyperpigmented skin and ... you express too much endothelin 3, and in the wrong places, the pigment cells ...

Too much blue light could also lead to pigmentation. One study linked blue light exposure to more swelling, redness, and pigment changes in people with darker skin. Although it can negatively ...

an evolutionary geneticist at the University of Geneva and an expert on animal skin color. And videos on YouTube, he says, some of which show the lizards changing colors as they encounter differen ...