Well, if it works, then so be it, right? The regulators can go fuck themselves for all I care, but it's definitely nice to have a product that does the job and doesn't involve neem. Citric acid is an extremely well understood substance, in our food and other products for generations, many safety studies over long term done, etc. It's a simple and organic molecule that is found abundantly in nature, and it's totally plant based. As long as the other ingredients aren't nasty crap (it's probably water!) then I would even use that myself, and you know how picky I am about "products" in my medicine patch :P
Thanks for the info.