Everyone sweats. The special glands in the skin makes sweat. When the body has 37 degree Celsius, it works best. If the hot level is more than this, the brain in the body will not so comfortable. Brain controls the temperature of the body and sweat gland start making sweat. Sweat is also known as perspiration. It is made completely out of water and other chemical such as salt, sugar, urea and ammonia. It comes out of the body through the pores, which are the tiny cells in the skin. Steps should be taken to stop excessive sweating. Sweat help in a greater way to cool the body. But excessive sweating after a hard work or a game play, body will lose more water through the skin. It is always better to consult a medical expert to stop excessive sweating. The nervous system, which is sympathetic, is the main criteria for the excessive sweating. One of the most hygiene issues most people are facing is underarm sweating. This happens especially more in hot places. Underarm sweating smell causes inconvenience for those people around too. In general it happens for both men and women. It also spoils the costly business shirts and suits. It is always better to get help for and get a solution to come out of this issue.