Hair Density

Hair density is the amount of hair strands on the head. Generally, it is measured by counting the number of hair strands found in one square inch (2.5cm) of scalp. When a stylist tells you that you have thick hair, it is high density he/she is describing.

Generally, the classifications of hair density are thin, medium, and thick, and are unrelated to the texture of the hair. The average head has approximately 2,200 strands of hair per square inch, and a total of approximately 100,000 hairs.

The main consideration of hair density is in styling. Thick hair is well suited to layered styles, while thin hair is often better suited to more blunt styles. People with thin hair often prefer styles with added curl to give an illusion of more hair.

While there is not a true ethnic or racial determiner of hair density, it has been found that blondes tend to have the greatest hair density, while redheads have the lowest.

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See also:

Analyzing hair

Hair texture

Hair elasticity

Hair porosity

Hair wave pattern