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Quantitee of hair on the scalp

Hair
100 000 to 170 000 - The amount of natural hair depending of ethnic group and the type of hair.

0.04 mm to 0.1 mm - the thickness of a human hair or diameter. Therefore, there are 10 to 25 hair for a diameter of 1 mm.

200-300 - The number of hairs per cm²

600 cm ² to 800 cm ² - The mean area occupied by the scalp.

3 m² to m² 4 - The surface area occupied by hair of 10 cm. This area of hair must be washed.

Hair follicles

1000 - The number of hair follicles per cm² that has a newborn.

500 - The number of hair follicles per cm² that has an adult aged 25 to 55 years

5-200 - The number of hair that can grow in a single hair follicle during the life of a human.

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