Lets you easily wash a single dish — no excuses from your roommates/housemates.
Dawn is already sort of a miracle product, but once you have a lather you’re unstoppable. This gives you that on demand and allows you to quickly wash a dish or two without a fuss, or you can add a few pumps to a dish and leave it to soak.
(they also carry it at Amazon, but it's notably more expensive and you don't need special refills, just dilute regular dawn 3/1 water to soap and gently turn the bottle over to mix)