1, razor
Shaver, also called razor, is a self-help tool, which is mostly used by adult men. There are mainly two kinds: electric and manual.
beard
2. Beard, commonly known as beard, generally refers to the hair that grows on men's upper lip, chin, cheeks, cheeks or neck. If we want to distinguish carefully, "Hu" originally refers to the hair that grows on the mouth, while the upper lip is called "moustache" (in Cantonese, moustache, moustache and two-lipped beard), the chin is called "goatee" and the temple is connected with the chin. Campus ".
After puberty, men generally grow beards faster than their hair, which is the result of androgen. The more vigorous the reproductive function, the faster the beard grows. Beard has more blood vessels than hair roots, and nutrients are easy to obtain. Therefore, as long as you shave your beard, it will grow back in a few days.