Chemical dispersants often want to get sticky as they dry. They're also frequently incompatible with oil and wax that might already be on your strop. Finding the right compound and the right process to make the schmoo where it doesn't get sticky and it adheres to the strop in a fine frible structure was important to making it work for me and my sharpening process.
But, the downside of it not being a paste or a soap is this settling out of suspension problem. Which is why I think it will never be a successful mainstream product so I'll probably just keep it in house for our process here