Why does blonde hair turn brown?
It’s because the pigment for blonde hair (pheomelanin) is so strong. Your body can only produce a certain amount of it, and that process slows down a little (and instead produces more eumelanin, the pigment for brown hair) when you get older. I’m guessing that sunlight accentuates the pigment, because if you stay in the sun long enough, your hair will turn more blonde. The guy at the top was somewhat right: that is the same reason why your hair will then turn from brown to gray or white. A total absence of pigment will cause your hair to be white, and a very minute amount will cause it to be gray. Pigment is what causes color to show. Different types of pigment will show different colors. They absorb the colors they don’t want to show and then reflect the colors they do want to show. So when leaves are dying, that’s why they turn brown, too, is because it’s absorbing all of the color and not reflecting anymore. Another example of pigment is melanin, the pigment in your skin. The reason
