Sweat order, underarm odor and foot odor Sweat does not have a particularly strong odor but it is converted into odoriferous substances by bacteria on the skin. Armpit odors: pelargonic acid, capric acid foot odors: isovaleric acid10Concepts for controlling body odor Antiperspirant active-containing deodorants Odor-masking deodorants Odor-neutralizing deodorants Odor-quenching deodorants Antimicrobial active-containing deodorants