Our Moso Bamboo Charcoal Freshener Shoe Inserts help to remove odors, bacteria, pollutants, allergens, mold and mildew from your shoes. Throw them in when you’re not wearing your shoes and they’ll be completely neutralized in a few days. To recharge, place them in direct sunlight for one hour, once a month. Each one can be recharged up to twelve times. Use the handy planner printed on the back of each sachet so you know how many times you’ve recharged them! Once it’s come time to dispose of your Moso, simply cut the bag open and spread the charcoal in your garden. Charcoal benefits the soil by helping to retain nutrients. How To Use. Place a sachet inside each shoe. Recharge once a month by placing in direct sunlight for one hour. Wear and Take Care! Helpful Tips. Our Moso Freshener is also great for removing odors, bacteria, pollutants, allergens, mold and mildew from other places gym bags and closets!.