Washing your hands properly with soap and water successfully rids your hands of nearly all traces of bacteria.

After the soap and water, drying your hands with a hand dryer is most efficient. You can help prevent deforestation, use less energy, and reduce carbon emissions by not drying with a sheet from the 13 billion pounds of paper towels that America alone uses.

However, if you don’t get to wash your hands properly, this ASAPScience vid explains the stats behind Paper Towels vs Hand Dryers, and ends with one of our favorite conservation tips: shake your hands 12 times, fold only one sheet of paper towel, and dry. That’s it.

In the archives, more ways to conserve: save water, reduce food waste in your home, recycle, compost, and don’t wash your jeans.

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