Take a peek at the video below! To find out more about the Thieves line, click here . We use it extensively on the farm, and I trust it well…… well enough to use it on our dairy cow’s udder as a cleansing agent before we hand milk. Before Thieves, I used a cleansing combo that consisted of bleach and a much harsher cleanser. My hands are happier, and my cow’s udders are much healthier. Oh, did I mention that we drink our milk raw? Yes, Thieves is that good…. gentle but powerful!