* Around the world hair 2. The Caucasian - This group is a mixture of diverse and Several ethnic groups. Hair color ranges from black to Blonde. May be wavy or straight hair. The average adult human body has an amazing 5000000 Hair, of which 100,000 to 150,000 are on the scalp. True Blondes have more hair on the scalp - 140,000 hairs than Black hair (105,000 hairs) or red hair (90,000 hairs). Hair Is called by a protein keratin. Keratin is also a Nail part. 1. Orient from Japan and China - have straight Black hair. In order to successfully treat alopecia, there is a need to Look at the hair. This article discusses the general facts Human hair, hair structure and growth. . All over the world with different hair color and texture. Asian Black hair, and Scandinavian shades Light golden brown and red. Usually have Three ethnic groups there are three types of hair.