Mycomist Fungicidal Sanitizing Deodorant Spray 4 Oz For Shoes & Boots Gordon Labs Mycomist is a Physician Formula Fungicidal, Sanitizing Deodorant Spray for Shoes, Sneakers, Boots, an any foot wear. FEATURES: Specially formulated to disinfect and deodorize shoes, sneakers, boots, and any foot wear. Contains formalin to prevent fungus that causes odor in your foot wear. Also contains Benzalkonium Chloride to kill ordor causing germs and Chlorophyll for additional deordorization.