Fast beard growth is related to androgens in the male body because beards are sexual hairs and are influenced by sex hormones. If a male beard grows faster, it is generally because the male body is more sexually active. It also does not exclude staying up late, staying up late will make the skin follicles extremely sensitive to androgens, which leads to faster growth of beard. In addition to often shave, shaving beard, will have a certain impact on the beard growth fast. Because often shaving will have stimulation to the hair follicles, so it will make the beard grow fast. If you want to keep your beard from growing faster, you need to be careful when shaving, not to stimulate the hair follicles of your beard, and to ensure that you get some sleep. Genetic factors and racial differences also have some influence, for example, foreign races have more beard growth, which is normal. The beard grows faster reflecting the level of sex hormones in the body, and the beard grows faster and slower related to sex hormones in the male body.