Carbon Lab Cleaning Solution. The cleaning agent to get your sneakers clean again. This cleaner is liquid based and is part of the Carbon Lab wet cleaning process. You use the cleaning agent in combination with the Carbon Lab Cleaning brush or Micro fiber cloth. Cleaning Solution is ideal for focused brushing. Not only your sneakers, but also your laces can be cleaned easily! Mix the Cleaning Solution with water and let your laces soak for a day. There are no propellants added, so also suitable for vacation! Why Collonil Carbon Lab? Because Outsole thinks it’s important that you go for quality and not for hype. Collonil has been the market leader in shoe care for years and thoroughly tests all its products on different sneakers. The ecological footprint is concerned as well: Carbon Lab is based on safe organic ingredients.