Just spray it on, and it will immediately start cleaning your dirty, muddy bike. The Muc-Off bike cleaner is based on the latest nano-technology, which dissolves dirt faster and more effectively than conventional cleaners. It contains no aggressive chemicals and leaves your bike clean, shiny, and ready for the next ride. It is biodegradable, allowing you to use it worry-free in the garden or on the go. It removes dirt, sand, mud, insects, as well as oil and grease deposits, leaving your bike sparkling clean. It is biodegradable, alkaline-based, and solvent-free.