WONDER #1230: Does Hand Sanitizer Really Work?

Question 1 of 3

Many hand sanitizers claim that they can kill what percentage of germs?

  1. 99%
  2. 99.9%
  3. 90%
  4. 100%

Question 2 of 3

The primary active ingredient in most hand sanitizers is a type of what?

  1. alcohol
  2. oil
  3. paint
  4. glycerin

Question 3 of 3

If you are shopping for an alcohol-based hand sanitizer, it would be best to choose one with at least what concentration of alcohol?

  1. 0.01%
  2. 10%
  3. 33.3%
  4. 60%

Check your answers online at https://wonderopolis.org/wonder/does-hand-sanitizer-really-work.