TABLE 1.

Ethnic differences in properties of the hair68

PROPERTIES	CAUCASIAN*	AFRICAN	ASIAN	HISPANIC/LATINO
Hair shaft shape	Cylindrical	Ellipsoid/flattened	Circular	Cylindrical/Circular
Cuticle	Standard	Smaller and less number of layer	More compact and highest number of layers	NA
Breakage	Average	Increased/Faster	Lesser	Similar to Asian
Diameter/thickness	65µm	55µm	80–120µm	Between Asian and Caucasian
Density65	Highest	Less than Caucasian	Less than Caucasian	Less than Caucasian
Growth rate	Average	Lowest	Higher	NA
Eumelanin content	Variable**	Highest	Second highest after African American	NA
Melanosome size/shape	Average	Larger melanosome size and higher melanosome density	Ellipsoidal to a thicker shape with age69	NA

NA: Not available

^*Serves as a reference for comparison;

^**Depends on hair color