Wool dryer balls decrease drying time, saving you money on utility bills. Which is especially helpful in the winter months!. Commercial fabric softeners and dryer sheets are filled with harmful chemicals and perfumes that coat your clothing, eventually ending up on your skin. These chemicals can be especially harsh on sensitive skin. In contrast, there are no chemicals in wool dryer balls! Commercial dryer sheets are costly and you must throw them away after one use. Conversely, wool dryer balls can be re-used for years, saving you hundreds of dollars. Commercial fabric softeners shouldnâ??t be used on cloth diapers. Wool dryer balls are perfect for keeping your cloth diapers soft and chemical-free. Wool dryer balls wonâ??t affect the absorbency of your towels, kitchen cloths, or cloth diapers â?? commercial softeners will. 100% wool dryer balls increase fluffiness and reduce static as dryer loads tumble. Dryer balls help to soften clothes naturally. Dryer balls are made from a renewable resource. According to Energy.gov: Wool or rubber dryer balls will help separate your clothes and get more air to them, cutting drying time. They can also reduce static so you donâ??t need dryer sheets (see #7 below). The wool balls are said to absorb some moisture, further cutting drying time. We use these at my house and have seen a noticeable difference in the time it takes our clothes to dry.