Scientific Studies Examining the Efficacy of BZK Hand Sanitizers
Demonstrating the persistent antibacterial efficacy of a hand sanitizer containing benzalkonium chloride on human skin at 1, 2, and 4 hours after application.
https://www.ncbi.nlm.nih.gov/pubmed/30777389
A study examining the effects of ethanol-based and BK-based hand sanitizers against Staphylococcus aureus. The colony-prevention benefits of the BK formula were markedly improved over the ethanol-based formula.
US FDA finalizes hand sanitizer rule
https://cen.acs.org/safety/consumer-safety/US-FDA-finalizes-hand-sanitizer/97/web/2019/049
A look at the FDA’s stance on various ingredients used in hand sanitizers.