It is very normal for women to have hair under their armpits, which is a normal organ tissue of the human body. For women, especially when they enter puberty, as the level of sex hormones continue to change, the women themselves in the body hair will also appear obvious changes, such as the armpit hair and pubic hair will occur obvious growth of the situation. For some women, it may be due to genetics or their own disease and other factors, their hair will also be significantly more than ordinary women. If a woman’s hair is not particularly serious, just in the armpit normal hair will exist, this is not an abnormal situation performance, the existence of armpit hair to their own heat dissipation is also a certain help.