How many seconds should you wash your hands for proper hygiene?

• A. 10 seconds
• B. 20 seconds
• C. 30 seconds
• D. 60 seconds

Answer: (B)

Washing hands for about 20 seconds is the recommended duration because it gives enough time for soap to break down oils and lift germs from all hand surfaces while you scrub. This length of time helps ensure you clean the areas most likely to harbor microbes—palms, backs of the hands, between the fingers, under the nails, and the wrists—without wasting time. Health authorities emphasize this duration as a practical standard that reliably reduces pathogen transmission in everyday settings. If you wash for much less than 20 seconds, some germs may remain; washing longer isn’t necessarily more effective for routine hygiene and can be unnecessarily time-consuming. The full routine is to wet hands, apply soap, scrub for about 20 seconds, rinse, and dry with a clean towel, preferably turning off the faucet with the towel to avoid recontamination.