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How many hairs are present in a human head for an adult? How to count the hairs without a calculator?
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Hello lybrate-user, an adult with black hair has around 110000to 100000 hair on head. On average, each person has approximately 2, 200 strands of hair per square inch (1 inch x 1 inch) on their scalp. So you can choose on square inch of your head and count if you have 2, 200 hair. It is a tideous task. You can easily count the number of hair you are losing instead, if that is your concern. Estimating hair density is easy, anyone can see if you have thin hair, thick hair or normal hair.
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