Tattoos and marriage have one thing in common: they’re eternal commitments that a lot of people make, but may wish to undo at some point. In some cases, tattoo removal can be more painful and ...

Eye color is an important identifier used to describe someone's appearance in media, social interactions, and by state and national databases such as the driver's license division or passport office.

Melanin is the pigment that is responsible for our beautiful variety of skin tones and shades, eye colors, and hair colors. However, when we discuss melanin, that discussion rarely includes its actual ...

Melanin is a natural pigment that determines the color of your hair. When the production of this pigment slows down, hair turns gray or white. Since these colors largely symbolize growing older, many ...

When skin cells responsible for pigmentation are exposed to estrogen or progesterone, the cells respond by adjusting their melanin production, resulting in either skin darkening or lightening.

This type of melanin provides pink and red colors and is the main pigment found among red-haired individuals. This type of melanin is not as protective against UV- radiation induced cancer as ...

Melanin is a natural pigment in your body that protects you from UV damage from the sun. People with darker skin tend to have more melanin and are therefore at a lower risk of sun damage. The only way ...