HAIR AND ETHNIC GROUPS

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The shape of the hair varies among different human ethnic groups. However, this is a pretty outdated statement, due to the increasing mix of ethnic groups with each other in the world. Two hundred years ago the differences were much more pronounced. Today, forms of hair are more diverse than those outlined below, which are basic:

ethnic-groups-hair-types

ethnic-groups-hair-types

The Caucasian type (leucodermics) has, in general, less production of melanin pigmentation, not only in hair but in the whole skin, and much variation in color: blond types, red-haired and brown, dark and light, and black hair. In them, the follicle is circular and it’s vertically positioned, resulting straight or slightly wavy hair. They have less segregation of sebum, which offers normal to dry hair. Hair becomes gray faster than among other groups.

The African phenotype (melanoderma) has elliptical follicles, oriented at an angle almost parallel to the skin, causing very curly hair. They also have a high production of sebum, which makes it brilliant and unctuous. Their follicles have a high production of black melanin, which gives dark hair. Pigmentation preserved longer, and grays later. Native groups in Australia (Melanesians) also have this type of hair. — Recommend Links: African American Wigs

The Oriental phenotype (xanthoderma) presents what is called lissothricic hairs that are straight but tend to be more straight and stiff. The follicle is circular and forms a right angle to the skin. The black melanin production is high and presents black or dark hair, and sebum production is also abundant (bright and sticky). In this group, the hair grays later than the other two groups. Among this group are also natives of Polynesia, Eskimos and Native Americans.

Ideas from: http://thehistoryofthehairsworld.com/what_the_hair_is.html