The number of hairs greatly varies for each person, from sixty thousand to one hundred and fifty thousand, and makes up one of natural characteristics of each person when they are born. We should take good care of our hair. Human beings have about one million and four hundred thousand hairs on their body , with about four hundred and fifty thousand of them to be found above the neck. These hairs include about one hundred thousand hairs on the head and about thirty thousand hairs taken up by mustaches, beards, or whiskers. The hairs on the head grow by about one centimeter per month and reach a length of around 70 centimeters if they are not cut.
Hair grows at a faster rate in the spring and summer than in autumn and winter.