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Lactic acid as an antibacterial agent in hand cleaner
Hello,
I note that many foaming hand cleaners use lactic acid as the antibacterial agent.
Does anyone know what percentage they tend to add the lactic at?
I understand that they would have to be tested, but a % to start with would be great.
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7 Replies
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This might be of interest -
Wow that’s perfect @ozgirl. Thanks heaps!
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Don’t hold your breath for lactic acid as an antibacterial hand wash - a drug product in US. The linked product is lactic acid solution at pH 2. Their suggestion that it could replace isothiazolinones is very, very doubtful.
They mention EPA registration but offer the stuff as a hand sanitizer. Not aware FDA’s OTC monograph for consumer antiseptic handwash products include lactics acid as an approved active. They need a new drug approval to market it as such in the US and you will need one too.
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@PhilGeis - I think you mean “lactic acid is NOT an approved active” right?
https://www.fda.gov/drugs/information-drug-class/qa-consumers-hand-sanitizers-and-covid-19#:~:text=Only%20two%20alcohols%20are%20permitted,specifically%20refers%20to%20ethanol%20only. -
No, it is not approved as an active for use in a Hand Sanitizer in the US. You certainly can include it, but your level of Ethanol would still need to be in compliance with FDA requirements.
“In the US, lactic acid is only EPA registered for cleaning
purposes and for manufacturing use only. For use in human
hygiene applications, the formulation itself needs to be
registred at the FDA. Corbion does not have such a
registration in place“ -
Right - Perry! Not!
sorry for the confusion. -
Thank you for that info and the weblinks, that is great to know.
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