How many hairs does a normal person have?

A normal person has about 654.38 million+hairs, and these 654.38 million+hairs also have a life cycle. Just as a person has youth, middle age and old age, his hair has a growth period, a regression period and a rest period. Under normal circumstances, the hair cycle is 2-6 years, so people's hair will fall off, but it will grow back after falling off. mankind

have

many

Very few

root

head

hair

Human hair depends on race and hair color.

The number is also slightly different. yellow

There are 654.38 million people with blond hair.

Caucasians have thinner hair, 6.5438+0.2 million hairs.

Red hair is slightly thicker, 80,000-90,000.

In childhood, the hair on the top of the head is the most charming, while the temples on both sides are slightly thinner. ( 1)

The amount of hair is fixed after birth, and it is impossible to grow any more in the future (2)

The color, shape, curl and thickness of hair are all genetically controlled, which varies from race to individual!