Wondering about the chemicals and dryer sheets and wanting to save some money, we tried using wool dryer balls or Woolies in the dryer instead. We have to say that these work quite well. Can't say they completely match the softening power of a dryer sheet, but they are close. They also seem to allow for the clothes to dry faster due to their ability to get the clothes to separate better than without them.
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Good for 1,000 washes, they also are at least half the cost per load than dryer sheets. The only annoyance is separating them from the dried load of clothing for the next use.