effective cleaning of leather and synthetic materials PREVENT Leather Cleaning - effectively dissolves grease and dirt on the leather and synthetics. A very popular leather cleaner for simple, daily care of the leather. Tips for leather care: Keep the leather clean to prevent mechanical damage from dirt and gravel. Always rinse away loose dirt with water. Clean heavily soiled leather with leather cleaner and lubricate the leather finish, leather oil. Lubricate efficient but repeat over several days in order not to saturate the leather. Never dry leather over heat!