Foul-smelling feet is an issue that is seen a lot by foot specialists. It is a source of much concern for those who experience it (and the people around them!). The primary solution to dealing with the unpleasant foot odor is to reduce the moisture and stop the decomposition of the elements of the perspiration that lead to the odor. Masking agents can also aid in this case. https://ipodiatry.org/smelly-foot/4115/