In fact(实际上), everyone's hair is white. When you are young, your hair has pigment (黑色素) in it. Hair has only two pigments: dark and light. The pigment gives your hair its color. When you get older, the pigment stops working. Hair will be gray or white.
You have more than 100, 000 hairs on your head. You lose about 50 to 100 hairs every day. But don't worry! New hairs will grow. But some people have hair loss(脱发). Their hair doesn't grow back again. This often happens to men.
What kind of hair do you have? Black or brown? Our skin(皮肤) color goes with the color of our hair. People with blonde hair have light skin. People with black hair have dark skin. Usually, your hair color is like one or both of your parents' hair colors.
If you don't cut your hair in your lifetime, it will be about 20 meters long when you're 100 years old.