Chest hair shaving usually does not get more and more vigorous, shaving does not have much effect on the growth of hair. Hair that grows out of the surface of the skin, usually by the accumulation of dead cells, in shaving, and will not feel pain, for the consumption of nutrients in the hair follicle will not have an impact, so generally do not have to worry about the more and more, the more and more exuberant growth of the situation. Hair growth is mainly affected by the blood supply, the nutrients inside the blood and genes, hormones will also stimulate hair growth, generally speaking into puberty boys will grow a beard in the jaw, the beard from the small fluffy hairs gradually become thicker, harder, and eventually the development is completed, the formation of a real mustache, mainly by the role of hormones lead to, and shaving has nothing to do with. Although shaving will not promote hair growth more and more vigorous, but long-term repeated culling, will cause damage to the skin, do a good job of protecting the skin before shaving, use a towel to apply hot compresses to the skin, soften the hair, necessary can also be coated with soap bubbles, body lotion, etc., to prevent cuts and bruises to the skin.