Cartwheel's products work because they've got effective ingredients that have passed extensive scientific and clinical testing. Also, our kids threw them against the wall and stomped on them. So there's that.We're only going to give you safe, natural products that we'd give to our own kids. Mysterious chemicals? Yeah, not interested.When nit happens, you've got to laugh. It's better than crying, and as the philosopher Sun Tzu once said, "When life gives you lice, make your enemies hug your kid."