Have you ever noticed that most shoe powders on the market only mask smell? I noticed this several years ago, trying multiple off the shelve powders, and being annoyed that I'd wasted my money. My shoes ended up smelling like a mix of menthol, baby powder, and feet... instead of just feet. Not much of an improvement, if you ask me. There's a good reason these powders don't really work - they don't address the problem at its source: bacteria, particularly brevibacterium. When your feet get sweaty, the sweat becomes a feeding ground for bacteria to grow and multiply. Talc...