What is the cure for constantly smelly feet?

If your feet : Sweat, you would want to control sweating. You can soak your feet in tea soaks. There are also products sold in pharmacies similiar to deodorant specifically for smelly feet.

See your Podiatrist: Or dermatologist. There are rx medications that can control this.

Smelly feet: A cure implies something that won't come back. If your feet sweat a lot , you cannot change something that inherently does that . You can alter , adapt , etc. Having said that , there are lots of products out there . Plowing through them can be time consuming and expensive . See your podiatrist for a recommendation based on your feet and conditions