Vellus hairs are short, fine, soft, and non-pigmented. Terminal hairs are large and darkly pigmented. The hairs on our scalp are intermediate in pigmentation between terminal and vellus hairs. Less than half of women's body hair is terminal hair. Pattern baldness, more common in males than females, involves the gradual replacement of intermediate scalp hair with fine vellus hair.
Hair comes in different shapes.
It is almost always black and is found in people of African ancestry. Straight coarse long hair is the hair of the Chinese, the Mongols, and Indians of the Americas. It is usually black. Flat hair is curly or frizzy. It is found in Australian natives.