Swix Citrus Solvent Base Cleaner - 500 ml - Ski cleaner based on citrus fruit extract, an effective solvent. For cleaning ski bases and removing wax and klister. First, use a scraper to remove as much wax as possible. Moisten a piece of Fiberlene with ski cleaner and rub until the wax/dirt is dissolved. Wipe with dry Fiberlene. The cleaner has a long shelf life and the ski cleaner is less flammable and less harmful to the environment than most other ski cleaning products.