Sanitizing efficacy is total organism count. Hand sanitizers are regulated by the FDA and tested in vivo using ASTM 1174 (Health Care Personnel Handwash / HCPHW test) and ASTM 2755. E1174 tests for Serratia marcescens or Escherichia coli. E2755 tests for S. marcescens or Staphylococcus aureus. ASTM E1174-21 includes a precision and accuracy statement. The FDA explains: https://www.federalregister.gov/documents/2016/09/06/2016-21...
replyOnly the USA is bound by the FDA though. The rest of the world will claim whatever they can get away with. Though yes, it is likely they mean the same thing.
replyI love how the visual representation of that in TV ads always leaves a couple bacteria swimming around.
replyRemoving that much bacteria from our own hands isn't even something desirable or good
replyI mean, unless we are doing open heart surgery with no gloves or something
Nah... a typical human hand has in the hundreds of thousands of bacteria if it hasn't been washed in awhile, not in the millions.
replyWashing with soap reduces it down to the thousands and sanitizers reduces it another order of magnitude down to the hundreds.