What is the best product to buy to clean your shoes?

How to Keep Shoes Clean on the Inside. If you have insoles, remove and handwash them separately in soapy water. Once insoles are removed, gently scrub the inside of the shoe just like you scrubbed the outside. Spritz a mixture of half vinegar and half water into the inside of your shoe (vinegar is a natural disinfectant). While brushes are great for wiping away debris and working in product to clean shoes, when it comes to shoe shining, it's time to get a white microfiber cloth out of the closet. A soft microfiber cloth is important when it comes to more sensitive materials like leather. Mix a few drops of dishwashing soap, like Dawn, into a cup of warm water. Dip a cloth or soft brush into the soapy water and gently go over the entire shoe.