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She has a lot of melanin in her hair. Melanin is the pigment that gives human hair, eyes, and skin their color. Cells called melanocytes produce melanin.
I am pretty sure you are thinking of melanin. Melanin gives basically everything on our body colour including our hair, skin, iris etc.
The body produce a substance called melanin which makes your skin and hair darker. As your body ages, the amount of melanin in the hair decreases and the hair gets lighter.
Melanocytes produce melanin.
The pigment in hair, called melanin, is produced by specialized cells called melanocytes located in the hair follicles. There are two types of melanin—eumelanin, which gives hair colors ranging from black to brown, and pheomelanin, which gives hair red and blonde tones. The amount and type of melanin produced determine a person's hair color.
Grey hair usually denotes a lack of the pigment melanin in the hair. As we age, the body often begins to produce less and less melanin. Some grey hair is caused by thyroid problems.
melanin, which is responsible for giving color to the hair, skin, and eyes. This lack of melanin is what causes the characteristic pale appearance of albino individuals.
Melatonin produces melanin. Melanin is what creates skin pigment (and also eye color, hair color).
Hair turns gray as people age due to a decrease in melanin production in the hair follicles. Melanin is the pigment responsible for giving hair its color. As we age, our hair follicles produce less melanin, causing hair to appear gray or white.
It gets its colour from melanin, a natural pigment (colour) we produce in our bodies.
The role of the melanin in the hair makes it grow white as it reduces in number. Melanin gives hair it's colour.