Does Irish Spring Soap Repel Flies?
Bars of Irish Spring soap are marketed as a product to, you know, keep yourself clean. But according to the internet, these bars of soap have several other uses. Some websites claim that the soap keeps away mice, while others say it keeps away deer. One of the most popular assertions, however, is that Irish Spring Soap can be used to repel flies. Im amazed lol. Easily amazed I guess. Dad and me sit on the back porch a lot and dad even had a fly swatted out here with him bc they where so bad. Hung one bar of Irish spring and shocked how quickly and well it works. Thought I would share for anyone else annoyed with the flies  The claim that Irish Spring soap repels flies has been amplified by a variety of home and gardening websites, such as grandmasthing.com, Homemaking.com, and even Buzzfeed. Were skeptical of this fly repellent solution for a few reasons. For starters, the sources we found pushing this claim dont provide much information as to why this works. Instead, the blogs offer vague and unsupported claims about how flies apparently dont like the smell. But that just doesnt pass the sniff test. Lastly, we have not found any credible studies or experiments documenting whether hanging a bar of Irish Spring Soap effectively repelled flies. In fact, the only unofficial experiment found appeared to show the exact opposite. In June 2021, the Pine Meadows Hobby Farm, a frugal homestead in the Cascade Mountains that creates video tutorials for their YouTube page, posted a little experiment to see if Irish Spring Soap truly repelled flies. The soap did not seem to have any impact on the pest problem:  We reached out to Colgate-Palmolive and the American Horticulture Society, and we will update this article if more information is made available.