Effective Extra Foot and Shoe Smell Preventive Dust Do not use in sweaty shoes. Preventive dust is a product used to prevent odors in feet and shoes. This powder effectively prevents the odor when applied to users' shoes. In the morning, it is enough to pour an equal amount of a package product into double shoes. However, it is recommended not to be used in sweaty shoes. Effective extra foot and shoe smell preventive dust is sold as single. Thus, users can only buy as many products as they need. This offers users a flexibility and economic option. This product provides great comfort for people with fragrant feet or shoes. Effective extra foot and shoe smell preventive dust is suitable for daily use and offers effective results.