9. Keep your valuables polished
Last but surely not least, the best way to use banana peel without eating or drinking or putting on your body is to polish your things through it. You can rub a banana peel on your shoes, leather, silver accessories to make them clean and shiny.
It has potassium content that makes the peels suitable for cleaning your favorite things. Use the inner side of the skin in wiping the item you want to polish and buff afterward to achieve a brilliant shine.