Hand-washing: Do's and don'ts

Hand-washing is an easy way to prevent infection. Understand when to wash your hands, how to properly use hand sanitizer and how to get your children into the habit.

By Mayo Clinic Staff

Frequent hand-washing is one of the best ways to avoid getting sick and spreading illness. Find out when and how to wash your hands properly.

When to wash your hands

As you touch people, surfaces and objects throughout the day, you accumulate germs on your hands. You can infect yourself with these germs by touching your eyes, nose or mouth, or spread them to others. Although it's impossible to keep your hands germ-free, washing your hands frequently can help limit the transfer of bacteria, viruses and other microbes.

Always wash your hands before:

  • Preparing food or eating
  • Treating wounds or caring for a sick person
  • Inserting or removing contact lenses

Always wash your hands after:

  • Preparing food
  • Using the toilet or changing a diaper
  • Touching an animal, animal feed or waste
  • Blowing your nose, coughing or sneezing
  • Treating wounds or caring for a sick person
  • Handling garbage

Also, wash your hands when they are visibly dirty.

Skip the antibacterial soap

Antibacterial soaps, such as those containing triclosan, are no more effective at killing germs than is regular soap. Using antibacterial soap might even lead to the development of bacteria that are resistant to the product's antimicrobial agents — making it harder to kill these germs in the future.

In 2016 the Food and Drug Administration issued a rule under which over-the-counter consumer antiseptic wash products containing the majority of the antibacterial active ingredients — including triclosan and triclocarban — can no longer be marketed to consumers. These products include liquid, foam and gel hand soaps, bar soaps, and body washes.

How to wash your hands

It's generally best to wash your hands with soap and water. Follow these steps:

  • Wet your hands with running water — either warm or cold.
  • Apply liquid, bar or powder soap to a cupped hand.
  • Lather well.
  • Rub your hands, palm to palm, vigorously for at least 20 seconds. Remember to scrub all surfaces, including the backs of your hands, wrists, between your fingers and under your fingernails.
  • Rinse well.
  • Dry your hands with a clean towel.
  • Use the towel to turn off the fauct.
Jan. 10, 2018 See more In-depth