Boys can shave their facial hair. In general, boys enter puberty, the secondary sexual characteristics began to develop and mature, the body androgen secretion is strong, the hair also began to grow, some boys will grow a beard or moustache on the face, may affect the facial beauty, it is entirely possible to use a shaver or razor, etc., to scrape off the face of the hair, but the hair will still grow out. It is recommended that when shaving facial hair and beard, boys should pay attention to gentle movements to avoid scratching the skin to prevent infection. If you need to maintain the effect of hair removal for a long time, you can go to a regular hospital to do laser hair removal for better results.