Excess sweating or hyperhidrosis is when sweat glands are overactive. The body usually sweats to regulate body temperature; however, in the case of hyperhidrosis, the sweating is unnecessary and can be an embarrassing confidence sapper and a source of extreme anguish for many. We use Cosmetic Injections to inhibit excessive sweating, especially in the armpit area. It works by relaxing the muscles of the sweat gland to reduce the production and secretion of sweat.