Swix Base Cleaner Aerosol - 70 ml - Ski cleaner for cleaning the ski base and removing wax and klister. Spray on, remove as much wax as possible with a scraper and wipe with Fiberlene. The active ingredient in this ski cleaner is a low-aromatic hydrocarbon that has a good effect on grease and dirt. The spray contains propellant gas that does not damage the ozone layer and the ski cleaner is less flammable and less harmful to the environment than most other ski cleaning products.