Chinese hair is round in shape, smaller in diameter than Japanese hair, straight in curl pattern and black in color. The Japanese and Chinese hair is seldom used in the US manufacturing of high-end womens hairpieces. This hair is more suitable to shorter styles for men and women and in lower end hairpieces. The exception is for the Chinese or Japanese wearer in which case it is ideal. Indian is the most often used in US hair replacement, as it is the closest to the Caucasian texture.
Caucasian hair is oval in shape, varied diameters, varied curl patterns and varied colors.
Caucasian hair is not often used because if its lack of availability and price. African American hair is never used because of its short length and tight curl pattern. It is necessary to blend several other textures or chemically processed Indian hair to replicate the texture of African American hair. Hair growing cycles vary in different cultures and parts of the world. The Japanese, Chinese and Indians have a longer growing cycle.