home > People > The human hair can only survive for 6 months

The human hair can only survive for 6 months

The human hair can only survive for 6 months-3trivia

Generally speaking, people have about 100,000 hairs. The growth cycle of each hair is divided into three stages: growth phase, degeneration period, and rest period. The life expectancy is about 2-7 years. The hair on the body can only be a few centimeters long and has a life span of only 6 months.


发表评论

               
expression
Can also enter210